Add Yahoo as a preferred source to see more of our stories on Google. Researchers predict that a dangerous fungus will spread in the western U.S., due to lack of precipitation brought on by climate ...

Valley fever infections are on the rise across California, public health officials say. Dry, hot weather across the state — combined with heavy winter rains — make the perfect recipe for an increasing ...

Rheumatic fever (RF) is a fairly rare inflammatory condition in developed countries that can develop as a complication of untreated strep throat caused by group A streptococcal infections. It ...

Whether stemming from a wound, a toothache or an infection like the flu, nearly everyone has experienced the discomfort of having a fever. While fevers can be inconvenient and are sometimes a sign of ...

The primary culprit behind fever blisters is the herpes simplex virus, specifically HSV-1. This highly contagious virus is easily transmitted through close personal contact, such as kissing or sharing ...

Hay fever affects roughly one in four UK adults. Symptoms are caused by three different types of pollen: tree, grass and weed pollen. As hay fever season typically runs from March to September, this ...