A 2026 German TwinLife study found that genetics account for 50% of narcissism traits, with the rest shaped by individual life experiences. Shared family environment had no measurable effect, ...

Pancreatic cancer can remain quiet for years, developing undetected before causing symptoms that lead to a diagnosis. Even ...

Despite widespread misconceptions, eating disorders aren’t a choice, they’re serious, potentially life-threatening conditions. While social and environmental factors do influence someone’s risk of ...

Endometriosis, a chronic inflammatory disease that affects approximately one in ten women of reproductive age—around 190 ...

Many common mental health disorders, including depression and anxiety, are associated with a tendency to internalize problems ...

A new study has provided new insights into the the genetic overlap among some psychiatric disorders, and can help explain why it’s not uncommon for several of these disorders to arise in the same ...

A new study suggests that certain genetic differences, passed down from ancient human ancestors, and exposure to common present-day chemicals could explain why some women are more likely to develop ...

LONDON (Reuters) - Scientists have found a genetic explanation for why the world's first malaria vaccine is not very effective in protecting some African children against the deadly mosquito-borne ...