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

A gene is a basic unit of heredity, the means by which traits get passed from one generation to the next, and genetics is the study of how these biological traits are inherited. A little over half of ...

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 ...

Hair genetics can come from either parent, and multiple genes can determine hair traits, such as color, texture, and growth. Genes can also affect hair loss. Although it can run in families, this is ...

Can you escape your genetic inheritance, and do lifestyle changes actually make a difference? Daniel Cossins set out to ...

Though researchers have not been able to locate a specific gene associated with OCD, there is evidence that OCD may run in families.

Rett syndrome is a rare developmental disorder, most often due to a mutation in the MECP2 gene on the X chromosome, but it’s not usually inherited. Advances in genetics have launched a new era in ...