Humans were isolated in southern Africa for about 100,000 years, which caused them to "fall outside the range of genetic variation" seen in modern-day people, a new genetic study reveals. The finding ...

Knowing how human DNA changes over generations is essential to estimating genetic disease risks and understanding how we evolved. But some of the most changeable regions of our DNA have been ...

A study suggests psychiatric disorders can share the same genetic signatures and that they may stem from shared biological mechanisms.

Historic population bottlenecks left cheetahs genetically similar, increasing disease risk and threatening long-term survival ...

Santhosh Girirajan receives funding from the National Institutes of Health. Genetic inheritance may sound straightforward: One gene causes one trait or a specific illness. When doctors use genetics, ...