Healthy human beings are walking, breathing homes to a multitude of “on-board” bacteria, and recent findings from an ongoing effort to comprehensively describe the human “microbiome” have revealed that viruses are also along for the ride.

With three vaccines and several treatments for Ebola progress through various stages of development, a major ethical question is emerging in light of an anticipated shortage.

Advocates are seeking to dismantle stereotypes while providing useful information on the safe use of medical and recreational marijuana.

A new study has found that women with PTSD could be up to three times more likely to develop a food addiction, though no evidence exists to explain why.