Genital problems and injuries most commonly occur during: Sports or recreational activities, such as mountain biking, soccer, or baseball.

Yeast bacteria are always on the body and are usually harmless. Skin yeast infections can occur in the genitals, the mouth, the anus and even on the skin.

Dry lips can be a sign of too much vitamin A, which can sap moisture from your skin and, if you're pregnant, cause birth defects.