Esteban G. Burchard, MD, MPH Asthma can start with simple tightness in the chest, but end in an epic battle to breathe.So whether you are black or white, Asian or...

A new study has identified four locations in the genome associated with a risk for the most common type of hernia, offering researchers insight into the possible genetic mechanisms that...

We at 23andMe hear this question a lot when the topic of personal genetic testing comes up. We each have our own answer, but enterprising PBS NewsHour correspondent Spencer Michaels...