Most writing about yeast infections is either a pharmacy ad or a list of home remedies. I wanted to talk about something more uncomfortable: what happens when the standard treatment just doesn’t work, and whether a simple blood test could warn us ahead of time. A team in Saudi Arabia recently asked exactly that. Here is what they found, and why it matters more than it sounds. First, the Basics: What Even Is VVC? VVC stands for vulvovaginal candidiasis. It’s a yeast infection of the vulva and vagina, and Candida albicans causes somewhere between 85 and 95 percent of cases. The rest come from other Candida species. If you’ve had…