Study Finds Higher Risk for Type-2 Diabetes in Black Women with Low Birth Weights

A first of its kind study published in the Journal Diabetes Care shows the impact of birth weight on African-American populations.

African-American women with low birth weights face heightened risk of developing type-2 diabetes, according to a study by the Boston University Medical Center. The researchers said that low birth weight was defined as less than 2.5 kg and very low birth weight as less than 1.5 kg. The finding partially explains the higher incidence of type-2 diabetes in African-American populations that also experiences increased occurrence of low birth weight.

For the study, the researchers tracked over 21,000 women from the Black Women’s Health Study during a period of 16 years. During the study period, they analyzed characteristics like birth weight, current age, family history of diabetes, body mass index, physical activity and socioeconomic status.

The researchers found that women with low birth weight had a 13 percent high risk of developing type-2 diabetes than those with normal birth weight. And those with very low birth weight had a 40 percent high risk of developing the disease.

The researchers said that there are likely two hypotheses for the phenomenon. The “thrifty phenotype hypothesis” states that once the newborn baby’s body perceives a lack of nutrition, it readjusts itself to absorb more nutrition. As a result, it leads to an imbalance in metabolism that eventually causes type-2 diabetes.

The second, known as the “fetal insulin hypothesis”, states that genes responsible for impaired insulin secretion also have a negative effect on birth weight. Some of the genes have been identified in recent studies, supporting the hypothesis. Read more…

Ilen Bell is a certified fitness professional and co-founder of Black Fitness Today. His passion for community advocacy, producing relevant stories and providing tools and resources that cater to the underserved African American community remain at the forefront. His credentials include advanced education in exercise science and internet marketing, the fitness industry highly-respected certified strength and conditioning specialist certification, and multiple web fitness series on top websites LIVESTRONG.com and eHOW.com. He is focused on further building explosive, dynamic and approachable brands to help the African American man and woman feel empowered, valued and identified in the global health and fitness industry.

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