Racial/ethnic differences in the burden of type 2 diabetes over the life course: a focus on the USA and India

Sherita Hill Golden, Chittaranjan Yajnik, Sanat Phatak, Robert L. Hanson, William C. Knowler

Research output: Contribution to journalReview article

Abstract

Type 2 diabetes is a common disease worldwide, but its prevalence varies widely by geographical region and by race/ethnicity. This review summarises differences in the frequencies of type 2 diabetes according to race, ethnicity, socioeconomic position, area of residence and environmental toxins. Type 2 diabetes susceptibility often begins early in life, starting with genetic susceptibility at conception and continuing in later life, via in utero, childhood and adult exposures. Early-life factors may lead to overt type 2 diabetes in childhood or in later life, supporting the concept of developmental origins of health and disease. The causes of the racial/ethnic differences in incidence of type 2 diabetes are not well understood. Specifically, the relative contributions of genetic and environmental factors to such differences are largely unknown. With a few exceptions in isolated populations, there is little evidence that differences in frequencies of known type 2 diabetes susceptibility genetic alleles account for racial/ethnic differences, although the search for genetic susceptibility has not been uniform among the world’s racial/ethnic groups. In the USA, race/ethnicity is associated with many other risk factors for type 2 diabetes, including being overweight/obese, diet and socioeconomic status. Some studies suggest that some of these factors may account for the race/ethnic differences in prevalence of type 2 diabetes, although there is inadequate research in this area. A better understanding of the impact of these factors on type 2 diabetes risk should lead to more effective prevention and treatment of this disease. This has not yet been achieved but should be a goal for future research.

Original languageEnglish (US)
Pages (from-to)1751-1760
Number of pages10
JournalDiabetologia
Volume62
Issue number10
DOIs
StatePublished - Oct 1 2019

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Type 2 Diabetes Mellitus
India
Genetic Predisposition to Disease
Ethnic Groups
Social Class
Alleles
Diet
Incidence
Health
Research
Population

Keywords

  • Life course development
  • Race/ethnicity
  • Review
  • Type 2 diabetes mellitus

ASJC Scopus subject areas

  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism

Cite this

Racial/ethnic differences in the burden of type 2 diabetes over the life course : a focus on the USA and India. / Golden, Sherita Hill; Yajnik, Chittaranjan; Phatak, Sanat; Hanson, Robert L.; Knowler, William C.

In: Diabetologia, Vol. 62, No. 10, 01.10.2019, p. 1751-1760.

Research output: Contribution to journalReview article

Golden, Sherita Hill ; Yajnik, Chittaranjan ; Phatak, Sanat ; Hanson, Robert L. ; Knowler, William C. / Racial/ethnic differences in the burden of type 2 diabetes over the life course : a focus on the USA and India. In: Diabetologia. 2019 ; Vol. 62, No. 10. pp. 1751-1760.
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