What Causes a Yeast Infection, Exactly?
Yeast infections (or vulvovaginal candidiasis, to use the medical term) occur when the vagina has an excess of the yeast fungus candida. Small populations of candida live naturally in the gastrointestinal tract and other warm, moist areas of the body. Up to 3 in 4 women experience a vaginal yeast infection at least once in …