Yes, narcissism, or narcissistic personality disorder (NPD), does have a genetic component, but a range of environmental factors, particularly during childhood, can also contribute. Studies show that ...

Known as the “great masquerader,” amelanotic melanoma may resemble a variety of benign lesions, thereby increasing diagnostic complexity.

WIND GAP, Pa. — Genetic testing for medical purposes is known to be expensive, but a new community health research program is now offering lifesaving answers for free. When 38-year-old Nick Lumi first ...

Most clinicians still underestimate the degree to which genetic factors shape personality traits and personality development. This is not controversial within behavioral genetics, but it remains ...

A large-scale clinical trial conducted within the Department of Veterans Affairs indicates that analyzing a patient’s genetic makeup can assist medical providers in avoiding antidepressants that may ...

DNA study leads researchers to pin humanity’s low pain thresholds on Neanderthals. The team believes that, thousands of years ago, interbreeding caused the development of key traits that were then ...