Plantar warts are common growths that appear on the bottoms of your feet. They're caused by the human papillomavirus (HPV), which thrives in warm, moist environments (like locker room floors). The ...

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 ...

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 ...

Over 100 types of HPV can cause common, plantar, flat, filiform, and genital warts. Warts are contagious and spread through both direct and indirect contact. Some warts can be treated at home with ...