By analyzing ancient DNA, scientists determined when, where and how our ancestors got sick from infectious diseases.

Background The burden of cardiovascular events in Africa is projected to rise significantly in the coming decade, placing ...

A groundbreaking study of 1.2 million veterans reveals your home state dramatically impacts dementia risk. Southeast residents face 25% higher rates than safer Mid-Atlantic regions.

Scientists have uncovered DNA from 214 ancient pathogens in prehistoric humans, including the oldest known evidence of plague ...