Lapis
Yeast infection and all diseases come from improper lifestyle (bad diet, toxins) which causes an imbalanced biological terrain. That inturn causes a myriad of symptoms depending on the degree of breakdown.
Give your new lifestyle a chance. No cheating. Cheating means start over...hit the reset button ;-) Keep refining and honing until these new practices become your new habits.
You'll figure it out eventually ;-)
Some take lifetimes, some get it right away.
Nutrition centers are likely mainstream. They'll tell ya to eat cheese and meat, and tell ya it's okay to ingest pills. Would you be interested in some health politic sites to browse?
~Lapis~