A wart is a hard bump caused by a virus and can be removed with over-the-counter products. A skin tag is a soft flap of skin usually found in areas where skin rubs together, and should not be removed ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Home "remedies" are ...