Medically reviewed by Susan Bard, MD Boils are painful, pus-filled, and are caused by infections like Staphylococcus ...

Ovarian cysts are usually not painful and will go away on their own. However, if a cyst is growing or you have multiple cysts you may have symptoms and need surgery. A ruptured cyst can cause severe ...

Thick, brown belly button discharge may happen if you haven't washed your belly button in a while. This discharge is likely caused by skin cells, sweat, dirt, fungi, and bacteria build-up and can be ...

The belly button is home to many bacteria but can be overlooked when a person washes. Improper hygiene and cysts can cause the belly button to smell. The belly button or navel is a dip in the middle ...

Cysts, abscesses and lipomas all have one common feature: they cause a lump or bump on the skin. All three are very common and I literally remove a hundred or more lipomas and sebaceous cysts a year.

The infection is caused by cysts created by the larva of the pork tapeworm. A report published Friday details a severe case in which a tapeworm infected an 18-year-old Indian boy’s brain, eventually ...

CD8+ cytotoxic T lymphocytes can kill host cells infected with various microorganisms and single individual cancer cells through direct cell-to-cell contact, but their ability to destroy a target of ...