Researchers have found that women who are diagnosed with breast cancer before the age of 55 and carry an inherited mutation in the breast cancer susceptibility genes BRCA1 or BRCA2 ...

Is Obesity Genetic or Environmental? Get All the Details This article was reviewed by Lynn Marie Morski, MD, JD. Key ...

This photo provided by Emilys Entourage in April 2025 shows Emily Kramer-Golinkoff, who has cystic fibrosis caused by a rare genetic mutation, during a trip to Maine. (Emilys Entourage via AP) ...

Mutations are changes in the molecular 'letters' that make up the DNA code, the blueprint for all living cells. Some of these changes can have little effect, but others can lead to diseases, including ...

A whole lot more than just one genetic mutation determines whether and how disease develops. lvcandy/DigitalVision Vectors via Getty Images Genetic inheritance may sound straightforward: One gene ...

Rare genetic traits are features that are uncommon within the general population. They can lead to different observable features or to rare physical abilities. Rare genetic traits are typically ...

Genetic inheritance may sound straightforward: One gene causes one trait or a specific illness. When doctors use genetics, it’s usually to try to identify a disease-causing gene to help guide ...

Tuberculosis is a confounding scourge. It's the leading cause of death from infectious disease in the world, and yet it's estimated that those deaths represent perhaps 5% of infections with ...

Hydrocephalus is a life-threatening condition that occurs in about 1 in 1,000 newborns and is often treated with invasive ...