Boils are painful, pus-filled, and are caused by infections like Staphylococcus aureus. Cysts are painless, non-infectious growths filled with keratin or other substances. Antibiotics may treat boils ...

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 ...

Q: I have sebaceous cysts on my chest and back. A surgeon indicated that the cysts could be surgically removed, but that the procedure would leave a scar. I asked whether the procedure could be ...