Skin cysts, or sebaceous cysts, are slightly hardened, fluid-filled bumps under the skin. When a person feels them, they are moveable. They often affect the face, neck, and torso. The term “sebaceous ...

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 ...