What started as a sinus infection left a Long Island teenager fighting for his life, requiring emergency brain surgery.

New research suggests shingles infections may increase the risk of cognitive decline in older adults. Scientists believe ...

Viral infections are lasting longer and relapsing due to mutating viruses, co-infections, and weakened immunity. Stress, poor ...

Young children who attend nursery get sick more often than those who don't, but they will go on to have fewer illnesses during early school years, finds a new review of evidence by a group of ...

Shigella is a type of bacteria, genetically quite similar to E. coli. It causes an infection that messes with your digestive ...

A new clinical study suggests that successful root canal treatment may benefit more than just dental health. Patients treated for infected teeth showed improved blood sugar control, healthier ...