After two children passed from a rare genetic disease, New Orleans mom Missy Ward wrote a memoir from the perspective of her ...

Older men are more likely to pass on disease-causing mutations to their children because of the faster growth of mutant cells ...

Since the 1960s, Texas has screened newborns for a variety of rare diseases — like sickle cell anemia and cystic fibrosis.

Researchers reveal how certain harmful DNA variations become more common in sperm as men age, raising genetic disease risk for offspring.

One gene causes one trait or a specific illness. When doctors use genetics, it's usually to try to identify a disease-causing ...