Family Health History

Are DNA Ancestry Test Kits Accurate?

It’s hard to turn on a TV today without seeing an ad hawking direct-to-consumer DNA ancestry tests — and I was as curious as anyone. But how accurate are they?
Nancy Monson

Researchers Discover Genetic Cause for Eczema

A research team from the National Institute of Allergy and Infectious Diseases and other institutions has identified a genetic mutation that causes eczema—a chronic skin condition also called atopic dermatitis. This discovery could lead to better tre...