Environmental factors such as lifestyle and the medications you take influence the effects your genes have on your body — and can clarify how diseases develop. When you purchase through links on our ...
The development of a child begins during pregnancy, when prenatal environmental factors and genetic influences interact to ...
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Is obesity genetic?

Although evidence for a genetic link with obesity is strong, the contribution of genes to obesity is considered small. Environmental factors such as diet and physical activity are believed to be a ...