
Yeast naturally lives on the skin and in the mouth, gut, and vagina.They are part of the microbiota of “good” germs that keep people healthy. But when these microscopic, single-celled organisms run rampant, they can trigger an infection—and some very unpleasant symptoms.
A yeast infection is a treatable medical condition caused by an overgrowth of yeast in the body. A weakened immune system, certain health conditions, some lifestyle habits,...