The tonsils are an integral part of the body’s immune function. They are the body’s first defense mechanism against germs and viruses that enter the body through your mouth, per Mayo Clinic.

Sara Moniuszko is a health and lifestyle reporter at CBSNews.com. Previously, she wrote for USA Today, where she was selected to help launch the newspaper's wellness vertical. She now covers breaking ...

Contagious yawning is a widespread phenomenon that extends beyond merely being a sign of drowsiness; it is a behaviour interwoven with both physiological regulation and social communication. Recent ...

Orf virus, a member of the Parapoxvirus genus, is the causative agent of contagious ecthyma – a zoonotic skin disease primarily affecting sheep and goats, with occasional human infections. The ...

Many infectious diseases are caused by viruses and bacteria. Bacteria are microorganisms that are made up of a single cell. They can be found in a wide variety of environments. Most bacteria are ...