Medically reviewed by Marisa Garshick, MD Key Takeaways A callus is a hard and thick patch of skin caused by friction or pressure, often on hands or feet.Calluses can be treated with salicylic acid, a ...

Do you feel a stabbing pain in your heel the moment you step on the floor each morning?You could be among millions of people in the world that are suffering from calcaneal spur unknowingly. One day in ...