Analysis of Adolf Hitler’s DNA reveals he may have had a rare genetic disorder that delays puberty, a new documentary says. Experts say that more details are needed.

Obesity is often a combination of genetic and lifestyle factors. Genetics can influence metabolic pathways, appetite control, and energy storage. Leptin resistance can lead to increased appetite and ...

When you see a family with obese parents and children, could the cause be a genetic influence? Yes, but lifestyle is also a powerful influence. Obese parents may follow a lifestyle of overeating ...