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1.  Traces of sub-Saharan and Middle Eastern Lineages in Indian Muslim Populations 
Islam is the second-most practiced religion in India, next to Hinduism. It is still unclear whether the spread of Islam in India has been only a cultural transformation or was associated with detectable levels of gene flow. To estimate the contribution of West Asian and Arabian admixture to Indian Muslims we have assessed genetic variation in mtDNA, Y-chromosomal and LCT/MCM6 markers in 472, 431 and 476 samples, respectively, representing six Muslim communities from different geographical regions of India. We found that most of the Indian Muslim populations received their major genetic input from geographically close non-Muslim populations. However, low levels of likely Arabian and West Asian admixture were also observed among Indian Muslims in the form of L0a2a2 mtDNA and E1b1b1a and J*(xJ2) Y-chromosomal lineages. The distinction between Iranian and Arabian sources was difficult to make with mtDNA and the Y chromosome as the estimates were highly correlated due to similar gene pool compositions in the sources. In contrast, the LCT/MCM6 locus, which shows a clear distinction between the two sources, enabled us to rule out significant gene flow from Arabia. Overall, our results support a model according to which the spread of Islam in India was predominantly cultural conversion associated with minor but still detectable levels of gene flow from outside, primarily from Iran and Central Asia, rather than directly from the Arabian Peninsula.
doi:10.1038/ejhg.2009.168
PMCID: PMC2859343  PMID: 19809480
Indian Muslims; mtDNA; Y chromosome; Middle East; sub-Saharan; gene flow
2.  Traces of sub-Saharan and Middle Eastern lineages in Indian Muslim populations 
Islam is the second most practiced religion in India, next to Hinduism. It is still unclear whether the spread of Islam in India has been only a cultural transformation or is associated with detectable levels of gene flow. To estimate the contribution of West Asian and Arabian admixture to Indian Muslims, we assessed genetic variation in mtDNA, Y-chromosomal and LCT/MCM6 markers in 472, 431 and 476 samples, respectively, representing six Muslim communities from different geographical regions of India. We found that most of the Indian Muslim populations received their major genetic input from geographically close non-Muslim populations. However, low levels of likely sub-Saharan African, Arabian and West Asian admixture were also observed among Indian Muslims in the form of L0a2a2 mtDNA and E1b1b1a and J*(xJ2) Y-chromosomal lineages. The distinction between Iranian and Arabian sources was difficult to make with mtDNA and the Y chromosome, as the estimates were highly correlated because of similar gene pool compositions in the sources. In contrast, the LCT/MCM6 locus, which shows a clear distinction between the two sources, enabled us to rule out significant gene flow from Arabia. Overall, our results support a model according to which the spread of Islam in India was predominantly cultural conversion associated with minor but still detectable levels of gene flow from outside, primarily from Iran and Central Asia, rather than directly from the Arabian Peninsula.
doi:10.1038/ejhg.2009.168
PMCID: PMC2859343  PMID: 19809480
Indian Muslims; mtDNA; Y chromosome; Middle East; sub-Saharan; gene flow
3.  Kinship Institutions and Sex Ratios in India 
Demography  2010;47(4):989-1012.
This article explores the relationship between kinship institutions and sex ratios in India at the turn of the twentieth century. Because kinship rules vary by caste, language, religion, and region, we construct sex ratios by these categories at the district level by using data from the 1901 Census of India for Punjab (North), Bengal (East), and Madras (South). We find that the male-to-female sex ratio varied positively with caste rank, fell as one moved from the North to the East and then to the South, was higher for Hindus than for Muslims, and was higher for northern Indo-Aryan speakers than for the southern Dravidian-speaking people. We argue that these systematic patterns in the data are consistent with variations in the institution of family, kinship, and inheritance.
PMCID: PMC3000033  PMID: 21308567
4.  Presence of three different paternal lineages among North Indians: A study of 560 Y chromosomes 
Annals of human biology  2009;36(1):46-59.
Background
The genetic structure, affinities, and diversity of the 1 billion Indians hold important keys to numerous unanswered questions regarding the evolution of human populations and the forces shaping contemporary patterns of genetic variation. Although there have been several recent studies of South Indian caste groups, North Indian caste groups, and South Indian Muslims using Y-chromosomal markers, overall, the Indian population has still not been well studied compared to other geographical populations. In particular, no genetic study has been conducted on Shias and Sunnis from North India.
Aim
This study aims to investigate genetic variation and the gene pool in North Indians.
Subjects and methods
A total of 32 Y-chromosomal markers in 560 North Indian males collected from three higher caste groups (Brahmins, Chaturvedis and Bhargavas) and two Muslims groups (Shia and Sunni) were genotyped.
Results
Three distinct lineages were revealed based upon 13 haplogroups. The first was a Central Asian lineage harbouring haplogroups R1 and R2. The second lineage was of Middle-Eastern origin represented by haplogroups J2*, Shia-specific E1b1b1, and to some extent G* and L*. The third was the indigenous Indian Y-lineage represented by haplogroups H1*, F*, C* and O*. Haplogroup E1b1b1 was observed in Shias only.
Conclusion
The results revealed that a substantial part of today’s North Indian paternal gene pool was contributed by Central Asian lineages who are Indo-European speakers, suggesting that extant Indian caste groups are primarily the descendants of Indo-European migrants. The presence of haplogroup E in Shias, first reported in this study, suggests a genetic distinction between the two Indo Muslim sects. The findings of the present study provide insights into prehistoric and early historic patterns of migration into India and the evolution of Indian populations in recent history.
doi:10.1080/03014460802558522
PMCID: PMC2755252  PMID: 19058044
Paternal lineages; Y-chromosomal markers; North Indians; migration
5.  Eight-year experience with 3392 endoscopically proven duodenal ulcers in Durban, 1972-79. Rise and fall of duodenal ulcers and a theory of changing dietary and social factors. 
Gut  1981;22(4):327-331.
From 1972 to 1979, a total of 3392 patients with endoscopically proven ulcers were seen, in six ethnic groups. The distribution was as follows: Africans 456 males, 182 females; Muslim Gujerati Indians 206 males, 60 females; Hindu Hindi 433 males; total North Indians 639 males, 195 females; Hindu Tamils 593 males, 184 females; Hindu Telegu 179 males, 46 females; total South Indians 872 males, 230 females, and Whites 465 males, 303 females. In the continent of India, it is predominantly the South Indians who suffer from duodenal ulcer. In Durban, the number of North Indians with duodenal ulcers approximates that of those from the South (North: South ratio 0.83). The first question raised by this study is that the protective factors in North Indians in India are not genetic, and are lost when they emigrate to Natal. This may be due to changes in diet. A seasonal analysis indicates that, for females, there is a striking Autumn and Winter predominance in all Indian groups, reaching 80% in Muslims and Telegus but not in African females (52.7%). The second question raised by this study is that protective factors must be sought which operate in Indian females in the Spring and Summer months. The third question emanating from this study is that duodenal ulcers (and ischaemic heart disease) appear to increase in times of dietary and social change. This occurred in the West from 1890 to 1960, and is still occurring in the Third World. The restoration of dietary fibre and unsaturated fat, and the possible adjustment to stress in the West since 1960, has been accompanied by a fall in the incidence of these diseases. A 'changing factors' theory of duodenal ulcers and ischaemic heart disease is proposed. These conditions fall when a 'plateau situation' is reached.
PMCID: PMC1419150  PMID: 7239324
6.  A descriptive profile of β-thalassaemia mutations in India, Pakistan and Sri Lanka 
Journal of community genetics  2010;1(3):149-157.
Thalassaemia is a common and debilitating autosomal recessive disorder affecting many populations in South Asia. To date, efforts to create a regional profile of β-thalassaemia mutations have largely concentrated on the populations of India. The present study updates and expands an earlier profile of β-thalassaemia mutations in India, and incorporates comparable data from Pakistan and Sri Lanka. Despite limited data availability, clear patterns of historical and cultural population movements were observed relating to major β-thalassaemia mutations. The current regional mutation profiles of β-thalassaemia have been influenced by historical migrations into and from the Indian sub-continent, by the development and effects of Hindu, Buddhist, Muslim and Sikh religious traditions, and by the major mid-twentieth century population translocations that followed the Partition of India in 1947. Given the resultant genetic complexity revealed by the populations of India, Pakistan and Sri Lanka, to ensure optimum diagnostic efficiency and the delivery of appropriate care, it is important that screening and counselling programmes for β-thalassaemia mutations recognise the underlying patterns of population sub-division throughout the region.
Electronic supplementary material
The online version of this article (doi:10.1007/s12687-010-0026-9) contains supplementary material, which is available to authorized users.
doi:10.1007/s12687-010-0026-9
PMCID: PMC3185991  PMID: 22460247
β-Thalassaemia; Mutation profiles; Endogamy; Consanguinity; India; Pakistan; Sri Lanka; South Asia
7.  Risk of tuberculosis in immigrant Asians: culturally acquired immunodeficiency? 
Thorax  1991;46(1):1-5.
Study of the 620 Asian immigrants with tuberculosis notified in the Wandsworth area of south London between 1973 and 1988 showed a bimodal pattern of tuberculosis notifications: in 1977 there was a peak among Asians from East Africa, and in 1981 a peak among those from the Indian subcontinent. There was a mean lag time of five years between clinical presentation and immigration. Logit analysis showed that, although overall more men had tuberculosis than women, glandular tuberculosis was more common among women of all groups, and pulmonary tuberculosis was more common among Hindu women than Hindu men. Both subgroups of Asians had a substantially higher incidence of tuberculosis than white people, particularly at extrapulmonary sites. Hindus were also at a significantly greater risk of tuberculosis at all sites than Muslims (Hindu:Muslim risk ratio 5.5 for women and 3.7 for men). The increased susceptibility to tuberculosis of Hindus, particularly Hindu women, may be related to a culturally acquired immunodeficiency caused by vegetarianism and associated vitamin deficiency.
Images
PMCID: PMC1020904  PMID: 1871690
8.  Adult smokers’ perception of the role of religion and religious leadership on smoking and association with quitting: A comparison between Thai Buddhists and Malaysian Muslims 
Social science & medicine (1982)  2009;69(7):1025-1031.
In recent years, attempts have been made to incorporate religion into tobacco control efforts, especially in countries like Malaysia and Thailand where religion is central to the lives of people. This paper is a prospective examination of the perceived relevance and role of religion and religious authorities in influencing smoking behaviour among Muslims in Malaysia and Buddhists in Thailand. Data were collected from 1,482 Muslim Malaysian and 1,971 Buddhist Thai adult smokers who completed wave 1 (early 2005) of the International Tobacco Control Southeast Asia Survey (ITC-SEA). Respondents were asked about the role of religion and religious leadership on smoking at Wave 1 and among those recontacted, quitting activity at Wave 2. Results revealed that over 90% of both religious groups reported that their religion guides their day-to-day behaviour at least sometimes, but Malaysian Muslims were more likely to report that this was always the case. The majority (79% Muslims and 88% Buddhists) of both groups believed that their religion discourages smoking. About 61% of the Muslims and 58% of the Buddhists reported that their religious leaders had encouraged them to quit before and a minority (30% and 26%, respectively) said they would be an influential source to motivate them to quit. Logistic regression models suggest that these religious factors had a clear independent association with making quitting attempts in both countries and this translated to success for Malaysian Muslims but not for the Thai Buddhists. Taken together, results from this study indicate that religion and religious authorities are both relevant and important drivers of quitting, but whether this is always enough to guarantee success is less clear. Religion can be a culturally relevant vehicle to complement other tobacco control efforts.
doi:10.1016/j.socscimed.2009.07.042
PMCID: PMC2775092  PMID: 19695758
Malaysia; Thailand; religion; religious leaders; Muslims; Buddhists; smoking; quitting
9.  Evolution of phenylthiocarbamide taster trait in Mysore, South India 
BACKGROUND:
The ability to taste phenylthiocarbamide (PTC), a bitter chemical has long been known to be a heritable trait, which is being widely used for both genetic and anthropological studies. The frequency of taster and non-taster allele is found to vary in different populations.
AIMS AND OBJECTIVE:
To investigate the frequency of taster trait in Mysore, South India.
MATERIALS AND METHODS:
The present investigation was conducted in Mysore, South India during 2002 - 2003. About 3282 subjects irrespective of age, sex, religion, food habits, socio-economic status were randomly selected from various parts of the city and a total of 180 families, which included Christian (50), Hindu (61) and Muslim (69) were screened from different localities of the city. Harris and Kalmus method was used to assess the PTC taster and nontaster phenotype.
RESULTS:
It was found that tasters were significantly more frequent than nontasters in all the four categories. The incidence of tasters was more in unbiased category (85%) and less in Muslim category (58%). Investigations on PTC tasting in the families of three different religious groups revealed that the tasters were significantly more frequent than nontasters. It was also found that heterozygous father or mother for the taster genes with nontaster partner had taster and nontaster progenies in the ratio 1.0: 1.54 indicating the deviation in the segregation pattern of test cross.
CONCLUSION:
In Mysore, tasters are more frequent than nontasters. Variation in the frequency of nontaster allele in the religious groups could be due to inbreeding.
doi:10.4103/0971-6866.32029
PMCID: PMC3168148  PMID: 21957336
Inbreeding; Mysore families; nontaster allele; phenylthiocarbamide taster trait
10.  Y-Chromosomal Diversity in Lebanon Is Structured by Recent Historical Events 
Lebanon is an eastern Mediterranean country inhabited by approximately four million people with a wide variety of ethnicities and religions, including Muslim, Christian, and Druze. In the present study, 926 Lebanese men were typed with Y-chromosomal SNP and STR markers, and unusually, male genetic variation within Lebanon was found to be more strongly structured by religious affiliation than by geography. We therefore tested the hypothesis that migrations within historical times could have contributed to this situation. Y-haplogroup J∗(xJ2) was more frequent in the putative Muslim source region (the Arabian Peninsula) than in Lebanon, and it was also more frequent in Lebanese Muslims than in Lebanese non-Muslims. Conversely, haplogroup R1b was more frequent in the putative Christian source region (western Europe) than in Lebanon and was also more frequent in Lebanese Christians than in Lebanese non-Christians. The most common R1b STR-haplotype in Lebanese Christians was otherwise highly specific for western Europe and was unlikely to have reached its current frequency in Lebanese Christians without admixture. We therefore suggest that the Islamic expansion from the Arabian Peninsula beginning in the seventh century CE introduced lineages typical of this area into those who subsequently became Lebanese Muslims, whereas the Crusader activity in the 11th–13th centuries CE introduced western European lineages into Lebanese Christians.
doi:10.1016/j.ajhg.2008.01.020
PMCID: PMC2427286  PMID: 18374297
11.  Y-Chromosomal Diversity in Lebanon Is Structured by Recent Historical Events 
Lebanon is an eastern Mediterranean country inhabited by approximately four million people with a wide variety of ethnicities and religions, including Muslim, Christian, and Druze. In the present study, 926 Lebanese men were typed with Y-chromosomal SNP and STR markers, and unusually, male genetic variation within Lebanon was found to be more strongly structured by religious affiliation than by geography. We therefore tested the hypothesis that migrations within historical times could have contributed to this situation. Y-haplogroup J∗(xJ2) was more frequent in the putative Muslim source region (the Arabian Peninsula) than in Lebanon, and it was also more frequent in Lebanese Muslims than in Lebanese non-Muslims. Conversely, haplogroup R1b was more frequent in the putative Christian source region (western Europe) than in Lebanon and was also more frequent in Lebanese Christians than in Lebanese non-Christians. The most common R1b STR-haplotype in Lebanese Christians was otherwise highly specific for western Europe and was unlikely to have reached its current frequency in Lebanese Christians without admixture. We therefore suggest that the Islamic expansion from the Arabian Peninsula beginning in the seventh century CE introduced lineages typical of this area into those who subsequently became Lebanese Muslims, whereas the Crusader activity in the 11th–13th centuries CE introduced western European lineages into Lebanese Christians.
doi:10.1016/j.ajhg.2008.01.020
PMCID: PMC2427286  PMID: 18374297
12.  A study of gender differentials in the prevalence of tuberculosis based on NFHS-2 and NFHS-3 data 
Background:
Worldwide, the case notification rate of tuberculosis has been reported to be higher for men than women. In India also, the prevalence of TB is higher among males as compared to females but it is important to study the trend of gender gap in the prevalence of tuberculosis over the years.
Objective:
To examine the trend in gender gap in the prevalence of TB over the years.
Materials and Methods:
The unit level data of NFHS-2 (1998-99) and NFHS-3 (2005-06) has been utilized. Gender gap in the prevalence of TB has been estimated for the two rounds of the surveys. The delta (Δ), the difference in gender gap in two surveys, has been estimated and decomposed by background characteristics such as place of residence(urban/rural), religion (Hindus/Muslims/others), caste(SC/ST/OBC/others) and standard of living(SLI) (low/medium/high) categories.
Main Findings:
Overall, the prevalence of TB has remained almost same in the two surveys [432/lakh in NFHS-2 and 418/lakh in NFHJS-3; Z=1.19, P=0.275. The gender gap has increased to 217/lakh in NFHS-3 in comparison to 145 per lakh in NFHS-2. The increase in gender gap is significantly higher in rural areas [of 98 per lakh;167/ lakh in NFHS-2 vs 265/lakh in NFHS-3; P<0.05] as compared to corresponding increase in urban areas [of 30 per lakh; 88/ lakh in NFHS-2 vs118/ lakh in NFHS-3, P>0.05]. The increase in delta (D) (difference in gender gap in two surveys) is accounted for as 88% by the rural areas and 12% by the urban areas.
Conclusion:
The increase in gender gap in the prevalence of TB is more in rural areas as compared to urban areas. The increase in rural areas is mainly contributed by Hindus, SC and ST and low and medium SLI categories and in urban areas, the contribution is mainly by Hindus, other castes and high SLI categories.
doi:10.4103/0970-0218.66869
PMCID: PMC2940177  PMID: 20922098
Gender gap/difference in tuberculosis; India; National Family Health Survey; prevalence of tuberculosis; tuberculosis
13.  Muslim customs surrounding death, bereavement, postmortem examinations, and organ transplants. 
BMJ : British Medical Journal  1994;309(6953):521-523.
Muslims are always buried, never cremated. It is a religious requirement that the body be ritually washed and draped before burial, which should be as soon as possible after death. Those carrying out this duty should be immunised against hepatitis B and be aware of the hazards of AIDS. Muslim women never attend burials and it is rare for funeral directors to be involved. Muslim jurists from the Arab world can justify organ transplantation, but those from the Indian subcontinent are against it. They are united in the belief of the sacredness of the human body and thus deplore postmortem examinations.
Images
PMCID: PMC2542725  PMID: 7848419
14.  Diabetes, hyperinsulinaemia, and coronary risk factors in Bangladeshis in east London. 
British Heart Journal  1988;60(5):390-396.
Immigrants from the Indian subcontinent (South Asians) in England and Wales have higher morbidity and mortality from coronary heart disease than the general population; this seems to apply to both Hindus and Muslims. Studies in north west London and Trinidad found that the increased risk of coronary heart disease in Indians was not explained by dietary fat intakes, smoking, blood pressure, or plasma lipids. In the present study the distribution of coronary risk factors was measured in an East London borough where the mortality and attack rate from coronary heart disease are higher in the Asian population, predominantly Muslims from Bangladesh, than in the rest of the population. In a sample of 253 men and women aged 35-69 from general practice, mean plasma cholesterol concentrations were lower in Bangladeshi than in European men and women. Mean systolic blood pressures were 10 mm Hg lower in Bangladeshis. Plasma fibrinogen concentrations were similar in Bangladeshis and Europeans and factor VII coagulant activity was lower in Bangladeshi than in European men. In contrast with the findings in Hindus in north west London, smoking rates were high in Bangladeshi men and the ratio of polyunsaturated fatty acids to saturated fatty acids in plasma lipids was lower in Bangladeshis than in Europeans. Diabetes was three times more common in Bangladeshis than in Europeans and serum insulin concentrations measured after a glucose load were twice as high in Bangladeshis. High insulin concentrations in Bangladeshis were associated with high plasma triglyceride and low high-density lipoprotein cholesterol concentrations. Insulin resistance, leading to diabetes, hyperinsulinaemia, and secondary lipoprotein disturbances, is a possible mechanism for the high rates of coronary heart disease in South Asians in Britain and overseas.
PMCID: PMC1216596  PMID: 3060188
15.  Genetic affinities among the lower castes and tribal groups of India: inference from Y chromosome and mitochondrial DNA 
BMC Genetics  2006;7:42.
Background
India is a country with enormous social and cultural diversity due to its positioning on the crossroads of many historic and pre-historic human migrations. The hierarchical caste system in the Hindu society dominates the social structure of the Indian populations. The origin of the caste system in India is a matter of debate with many linguists and anthropologists suggesting that it began with the arrival of Indo-European speakers from Central Asia about 3500 years ago. Previous genetic studies based on Indian populations failed to achieve a consensus in this regard. We analysed the Y-chromosome and mitochondrial DNA of three tribal populations of southern India, compared the results with available data from the Indian subcontinent and tried to reconstruct the evolutionary history of Indian caste and tribal populations.
Results
No significant difference was observed in the mitochondrial DNA between Indian tribal and caste populations, except for the presence of a higher frequency of west Eurasian-specific haplogroups in the higher castes, mostly in the north western part of India. On the other hand, the study of the Indian Y lineages revealed distinct distribution patterns among caste and tribal populations. The paternal lineages of Indian lower castes showed significantly closer affinity to the tribal populations than to the upper castes. The frequencies of deep-rooted Y haplogroups such as M89, M52, and M95 were higher in the lower castes and tribes, compared to the upper castes.
Conclusion
The present study suggests that the vast majority (>98%) of the Indian maternal gene pool, consisting of Indio-European and Dravidian speakers, is genetically more or less uniform. Invasions after the late Pleistocene settlement might have been mostly male-mediated. However, Y-SNP data provides compelling genetic evidence for a tribal origin of the lower caste populations in the subcontinent. Lower caste groups might have originated with the hierarchical divisions that arose within the tribal groups with the spread of Neolithic agriculturalists, much earlier than the arrival of Aryan speakers. The Indo-Europeans established themselves as upper castes among this already developed caste-like class structure within the tribes.
doi:10.1186/1471-2156-7-42
PMCID: PMC1569435  PMID: 16893451
16.  Vegetarian diet as a risk factor for tuberculosis in immigrant south London Asians. 
Thorax  1995;50(2):175-180.
BACKGROUND--In a previous retrospective study of tuberculosis in south London among Asian immigrants from the Indian subcontinent Hindu Asians were found to have a significantly increased risk for tuberculosis compared with Muslims. This finding has been further investigated by examining the role of socioeconomic and lifestyle variables, including diet, as risk factors for tuberculosis in Asian immigrants from the Indian subcontinent resident in south London. METHODS--Using a case-control study technique Asian immigrants from the Indian subcontinent diagnosed with tuberculosis during the past 10 years and two Asian control groups (community and outpatient clinic controls) from the Indian subcontinent were investigated. Cases and community controls were approached by letter. A structured questionnaire concerning a range of demographic, migration, socioeconomic, dietary, and health topics was administered by a single trained interviewer to subjects (56 cases and 100 controls) who agreed to participate. RESULTS--The results confirmed earlier findings that Hindu Asians had an increased risk of tuberculosis compared with Muslims. However, further analysis revealed that religion had no independent influence after adjustment for vegetarianism (common among Hindu Asians). Unadjusted odds ratios for tuberculosis among vegetarians were 2.7 (95% CI 1.1 to 6.4) using community controls, and 4.3 (95% CI 1.8 to 10.4) using clinic controls. There was a trend of increasing risk of tuberculosis with decreasing frequency of meat or fish consumption. Lactovegetarians had an 8.5 fold risk (95% CI 1.6 to 45.4) compared with daily meat/fish eaters. Adjustment for a range of other socioeconomic, migration, and lifestyle variables made little difference to the relative risks derived using either community or clinic controls. CONCLUSIONS--These results indicate that a vegetarian diet is an independent risk factor for tuberculosis in immigrant Asians. The mechanism is unexplained. However, vitamin D deficiency, common among vegetarian Asians in south London, is known to affect immunological competence. Decreased immunocompetence associated with a vegetarian diet might result in increased mycobacterial reactivation among Asians from the Indian subcontinent.
PMCID: PMC473919  PMID: 7701458
17.  Prevalence of Red-Green Color Vision Defects among Muslim Males and Females of Manipur, India 
Background:
Color blindness is a common X-linked genetic disorder. However, most of color blinds remain undetected due to absence of proper screening. Our study was to determine the prevalence of red-green color vision defects among Manipuri Muslim males and females. The study could help in decreasing birth of children with this disorder as Muslims commonly perform consanguineous marriage among themselves.
Methods:
Unrelated individuals of both sexes (Male-1352, Female-1302) belonging to six different populations were randomly selected and screened for red-green color vision defects using the Ishihara (pseudo-isochromatic plates) test from the area of Imphal East and Imphal west districts of Manipur, which is a small hilly state, situated in the north eastern extreme corner of India sharing an international boundary with Myanmar (Burma).
Results:
About 8.73% of males and 1.69% of females were found to be color blind. Among six different populations studied the males of Meitei population shows the highest frequency i.e. 14.93% while Naga population shows the least frequency of 3.75%. Among females, Meitei population again shows the highest frequency of 2.5% and least frequency is shown by Mughal and Naga populations 0.00% as not a single female color blind was found.
Conclusion:
Present study shows higher prevalence rate of color blindness as compared to other reported rates of India. Deuteranomaly cases occur in higher percentage than other types of color blindness. The higher prevalence rate observed in Muslims may be due to the hidden effect of consanguineous marriages.
PMCID: PMC3595632
Color blindness; Ishihara color test; Manipur; Allele frequency; Protan; Deutan; India
18.  Qualitative cross-sectional study of the perceived causes of depression in South Asian origin women in Toronto 
BMJ Open  2012;2(1):e000641.
Objective
To explore how South Asian origin women in Toronto, Canada, understand and explain the causes of their depression.
Design
Cross-sectional in-depth qualitative interviews.
Setting
Outpatient service in Toronto, Ontario.
Participants
Ten women with symptoms of depression aged between 22 and 65 years of age. Seven were from India, two from Sri Lanka and one from Pakistan. Four were Muslim, three Hindu and three Catholic. Two participants had university degrees, one a high school diploma and seven had completed less than a high school education. Eight were married, one was unmarried and one a widow.
Results
Three main factors emerged from the participant narratives as the causes of depression: family and relationships, culture and migration and socioeconomic. The majority of the participants identified domestic abuse, marital problems and interpersonal problems in the family as the cause of their depression. Culture and migration and socioeconomic factors were considered contributory. None of our study participants reported spiritual, supernatural or religious factors as causes of depression.
Conclusion
A personal–social–cultural model emerged as the aetiological paradigm for depression. Given the perceived causation, psycho-social treatment methods may be more acceptable for South Asian origin women.
Article summary
Article focus
An exploration of the perceived causes of depression in women of South Asian origin in Toronto, Canada.
Key messages
Depression in South Asian women in Toronto may be caused by social problems that could be the target for prevention and health promotion.
Given the perceived causation, psycho-social interventions may be more acceptable for South Asian origin women in Toronto.
Links between social and health services may be important in decreasing the burden of depression in South Asian origin women in Toronto.
Strengths and limitations of this study
This study was able to interview a diverse cross-section of South Asian origin women in a community setting.
The interviewer was also a South Asian women and this may have facilitated disclosure.
The study did not disaggregate the South Asian group into different religious groups or countries of origin.
This study only included participants who could speak English.
doi:10.1136/bmjopen-2011-000641
PMCID: PMC3282289  PMID: 22337816
19.  Cancer and congenital abnormalities in Asian children: a population-based study from the West Midlands. 
British Journal of Cancer  1995;72(6):1563-1569.
Cancer and associated congenital abnormalities were investigated in Muslim and non-Muslim Asian children from the West Midlands. Cancer incidence rates were calculated for Indian (non-Muslim), Pakistani/Bangladeshi (Muslim) and white children diagnosed from 1978 to 1992. Incidence was significantly higher in the Pakistanis, with an age-standardised rate (ASR) of 163 cases per million per year, compared with 115 for Indian and 125 for white children. Among Asian cancer patients, congenital malformations were significantly more common in Muslim (21%) compared with non-Muslim (7%). In Muslims the malformation excess was caused by autosomal recessive and dominant disorders (in 8% and 5% of cases respectively). Cancer malformation/predisposition syndromes were found in 10% of Muslims, compared with 2% of non-Muslims. In 33% of the Muslims with malformations, childhood cancer and a malformation were also present in a close relative. None of the non-Muslims with malformations had a relative with childhood cancer. The cancer excess in Muslims may be partly related to inherited genes causing both malformations and cancer. The prevalence of autosomal recessive disorders may be related to consanguinity, which is common in the Pakistani Muslim population. The high incidence of autosomal dominant disorders may be related to older paternal age at conception, giving rise to spontaneous mutations.
PMCID: PMC2034071  PMID: 8519679
20.  Suicide and attempted suicide among South Asians in England: who is at risk? 
Mental Health in Family Medicine  2008;5(3):135-138.
Evidence from both large-scale and small-scale studies suggests differences and similarities in patterns of suicide and attempted suicide between South Asians and the total population in England. Among South Asians, the excess of females among both suicides and attempted suicides is even more marked; the traditional view of a strong family structure among Asians is confirmed, although cultural conflict between generations is apparent. The technique of suicide by burning among Asians appears to be waning. Asians who attempt or complete suicide are more likely to be suffering from stress, but less likely to have been diagnosed as mentally ill. Their psychological problems appear to have been frequently overlooked by general practitioners, or not presented to them. Differences in religion, with Hindus producing higher rates than Muslims, and demographic, geographical, financial and cultural differences, contribute to the need for disaggregation and up-to-date research.
PMCID: PMC2777567  PMID: 22477861
Asian; attempted suicide; suicide
21.  Attitudes of Asian patients in Birmingham to general practitioner services 
Attitudes of Asian patients to the delivery of primary health care in two Birmingham general practices were investigated by questionnaires administered by an Asian ethnic minorities worker who spoke dialects appropriate to the population under investigation. One practice was staffed by Asian doctors the other by British doctors. The responses to the questionnaires were analysed with reference to religion — Sikh, Hindu and Muslim and to the two practices. Choice of doctor appears to be determined more by the proximity of the patient's home to the practice premises than by ethnic considerations. Reported failures to meet the special needs of Asian patients were those inherent in the difficulties of British general practice and were not peculiar to Asian patients. The need for help from an interpreter did not seem to be important.
PMCID: PMC1960260  PMID: 4057173
22.  Religious versus Conventional Psychotherapy for Major Depression in Patients with Chronic Medical Illness: Rationale, Methods, and Preliminary Results 
This paper (1) reviews the physical and religious barriers to CBT that disabled medically ill-depressed patients face, (2) discusses research on the relationship between religion and depression-induced physiological changes, (3) describes an ongoing randomized clinical trial of religious versus secular CBT in chronically ill patients with mild-to-moderate major depression designed to (a) overcome physical and religious barriers to CBT and (b) compare the efficacy of religious versus secular CBT in relieving depression and improving immune and endocrine functions, and (4) presents preliminary results that illustrate the technical difficulties that have been encountered in implementing this trial. CBT is being delivered remotely via instant messaging, telephone, or Skype, and Christian, Jewish, Muslim, Buddhist, and Hindu versions of religious CBT are being developed. The preliminary results described here are particular to the technologies employed in this study and are not results from the CBT clinical trial whose findings will be published in the future after the study ends and data are analyzed. The ultimate goal is to determine if a psychotherapy delivered remotely that integrates patients' religious resources improves depression more quickly than a therapy that ignores them, and whether religious CBT is more effective than conventional CBT in reversing depression-induced physiological changes.
doi:10.1155/2012/460419
PMCID: PMC3384942  PMID: 22778932
23.  Making muslim babies: Ivf and gamete donation in sunni versus shi’a islam 
Culture, Medicine and Psychiatry  2006;30(4):427-450.
Medical anthropological research on science, biotechnology, and religion has focused on the “local moral worlds” of men and women as they make difficult decisions regarding their health and the beginnings and endings of human life. This paper focuses on the local moral worlds of infertile Muslims as they attempt to make, in the religiously correct fashion, Muslim babies at in vitro fertilization (IVF) clinics in Egypt and Lebanon. As early as 1980, authoritative fatwas issued from Egypt’s famed Al-Azhar University suggested that IVF and similar technologies are permissible as long as they do not involve any form of third-party donation (of sperm, eggs, embryos, or uteruses). Since the late 1990s, however, divergences in opinion over third-party gamete donation have occurred between Sunni and Shi’ite Muslims, with Iran’s leading ayatollah permitting gamete donation under certain conditions. This Iranian fatwa has had profound implications for the country of Lebanon, where a Shi’ite majority also seeks IVF services. Based on three periods of ethnographic research in Egyptian and Lebanese IVF clinics, this paper explores official and unofficial religious discourses surrounding the practice of IVF and third-party donation in the Muslim world, as well as the gender implications of gamete donation for Muslim marriages.
doi:10.1007/s11013-006-9027-x
PMCID: PMC1705533  PMID: 17051430
In vitro fertilization; gamete donation; Islam; medical anthropology; Middle East
24.  Y-chromosomal insights into the genetic impact of the caste system in India 
Human genetics  2006;121(1):137-144.
The caste system has persisted in Indian Hindu society for around 3,500 years. Like the Y chromosome, caste is defined at birth, and males cannot change their caste. In order to investigate the genetic consequences of this system, we have analysed male-lineage variation in a sample of 227 Indian men of known caste, 141 from the Jaunpur district of Uttar Pradesh and 86 from the rest of India. We typed 131 Y-chromosomal binary markers and 16 microsatellites. We find striking evidence for male substructure: in particular, Brahmins and Kshatriyas (but not other castes) from Jaunpur each show low diversity and the predominance of a single distinct cluster of haplotypes. These findings confirm the genetic isolation and drift within the Jaunpur upper castes, which are likely to result from founder effects and social factors. In the other castes, there may be either larger effective population sizes, or less strict isolation, or both.
doi:10.1007/s00439-006-0282-2
PMCID: PMC2590678  PMID: 17075717
Y chromosome; haplotype; human population substructure; Indian caste system
25.  On the typology and the worship status of sacred trees with a special reference to the Middle East 
This article contains the reasons for the establishment of sacred trees in Israel based on a field study. It includes 97 interviews with Muslim and Druze informants. While Muslims (Arabs and Bedouins) consider sacred trees especially as an abode of righteous figures' (Wellis') souls or as having a connection to their graves, the Druze relate sacred trees especially to the events or deeds in the lives of prophets and religious leaders. A literary review shows the existence of 24 known reasons for the establishment of sacred trees worldwide, 11 of which are known in Israel one of these is reported here for the first time. We found different trends in monotheistic and polytheistic religions concerning their current worship of sacred trees.
doi:10.1186/1746-4269-2-26
PMCID: PMC1500805  PMID: 16700917

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