That superhero is a gene called TP53, and for decades scientists have known it as the “guardian of the genome.” In a healthy cell, TP53 acts like both a brake and an emergency stop button. When DNA ...

A new study has found a rare genetic mutation that allows some of us to get only a few short hours of sleep and wake up feeling fully rested and wide awake.

Add Yahoo as a preferred source to see more of our stories on Google. This photo provided by Emily’s Entourage in April 2025 shows Emily Kramer-Golinkoff, who has cystic fibrosis caused by a rare ...

BRCA gene mutations can significantly raise a woman’s risk of breast and ovarian cancer. Know how hereditary cancer risk works and why genetic testing and early screening matter.

While the genes involved can differ, this example illustrates how most cancers arise. Accumulated DNA mutations, acquired either over time (ageing naturally leads to some DNA mistakes) or from ...

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 ...

Cancer begins when mutations in specific genes override the body’s built-in controls on cell division, allowing rogue cells ...

Emily Kramer-Golinkoff can’t get enough oxygen with each breath. Advanced cystic fibrosis makes even simple things like walking or showering arduous and exhausting. She has the most common fatal ...

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) ...