In fungal infections, invasive fungi grow in or on your body. Many types of fungi occur naturally in your body in small amounts. Some infections occur when these fungi grow out of control while other ...

Medically reviewed by Eva Umoh Asomugha, M.D. Jock itch (tinea cruris) is a common, preventable fungal infection mainly ...

Cheese fungus, head lice, human sperm, a bee eye, a microplastic bobble: scientific photographer Steve Gschmeissner has imaged them all under the probing lens of a scanning electron microscope (SEM).

This microscope photo provided by the Centers for Disease Control and Prevention shows a Fusarium sp. fungal organism in 1972. Lucille K. Georg / ASSOCIATED PRESS When most people think of dangerous ...