Nature and nurture both determine how likely you are to develop a particular disease. Hiroshi Watanabe/DigitalVision via Getty Images Sitting in my doctor’s examination room, I was surprised when she ...

Asperger’s, now referred to as autism spectrum disorder (ASD), involves a complex interplay of genetic and environmental factors. Asperger’s was once considered a distinct condition but is no longer ...

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 ...