Medically reviewed by Susan Bard, MD Boils are painful, pus-filled, and are caused by infections like Staphylococcus aureus.Cysts are painless, non-infectious growths filled with keratin or other ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A 27-year-old man will have a scar on his face for the rest of his life ...

A University of California, Riverside team of scientists has found that Toxoplasma gondii, a common parasite affecting up to one-third of the global population, is far more complex than previously ...

A cyst is a sac of tissue containing fluid or air that can form in many areas of the body. Cysts often do not need to be removed unless they are causing pain or other problems. There are several ...

Tennis great Serena Williams said she had a grapefruit-size cyst removed from her neck and she's on her recovery journey. Subscribe to read this story ad-free Get unlimited access to ad-free articles ...

Serena Williams is recovering after having a benign branchial cyst removed from her neck. The tennis legend said the lump presented itself back in May and she immediately went to the doctor to get an ...