Ringworm is a highly contagious fungal infection that affects the skin, scalp, and nails. Despite its misleading name, ringworm is not caused by a worm but by a group of fungi called dermatophytes. It ...

Add Yahoo as a preferred source to see more of our stories on Google. Ringworm is often easy to spot with its characteristic red rings on the skin. Kateryna Kon/Science Photo Library via Getty Images ...

What Is a Fungal Infection? A fungal infection, also called mycosis, is a skin disease caused by a fungus. There are millions of species of fungi. They live in the dirt, on plants, on household ...