Nasal polyps are fleshy swellings that form in the nose and paranasal sinuses, which are filled with air and connected to the nasal cavity. These...

An ovarian cyst is a sac filled with fluid that forms on or inside an ovary. The ovaries are part of the female reproductive system. There are two...

Appendicitis is an inflammation of the appendix. The appendix is a small pouch attached to the intestine. It’s located in your lower-right abdomen....

A stroke occurs when a blood vessel in the brain ruptures and bleeds, or when there’s a blockage in the blood supply to the brain. The rupture or...

Encephalitis is inflammation of the brain. There are several causes, including viral infection, autoimmune inflammation, bacterial infection, insect...