More than three years have passed since federal health officials arrived in central Appalachia to assess an alarming outbreak ...

Recent studies implicate the immune system and a herpes virus as potential contributors to development of the disease.

Biostatistician Jeffrey Morris says effective dialogue requires an awareness of how politics shape a person's beliefs.

The opossum might not have a concept of death, but we can be pretty sure that at least some of those animals who intended to ...