Vinegar, applied to the skin, is also often touted as an antidote to nail fungus, head lice and warts, but there is little scientific evidence that these treatments work.

It accumulates in the body resulting in nails rotting, dark spots, bleeding sores, swelling, large warts and a form of gangrene.

A hard, rough lump growing on the skin, caused by infection with certain viruses and occurring typically on the hands or feet.