If you've ever had a lipoma, chances are it freaked you out at first—it's a lump! But experts agree not to worry too much, especially if you've gotten it examined by a doctor. No one knows what causes ...

Lumps under the skin can be a huge shock for those affected. If they are lipomas, there’s no need to worry: These slow-growing, benign tumors originate from fat cells and are harmless in most cases.

If you've been watching Sandra Lee, MD, aka Dr. Pimple Popper , pop her way to Insta-fame, you probably think you've seen everything. Dr. Pimple Popper can still pull out, or squeeze out a surprise, ...