If you don't measure you simply won't know what is going on. Candida testing is remarkably available, quite predictable, and once identified can significantly improve treatment outcomes in psychiatric conditions.
Bill Walsh is a mind pioneer. This brief video on one depression biotype - undermethylation - [1 of 5] will likely whet your appetite on the fact that depression is more than just an appearance of sadness.
At first PCOS looks like *just a hormone dysregulation,* but on careful review turns out to connect with multiple nutritional and metabolic issues, from thyroid, to adrenal, to carbohydrate addiction, to insulin resistance, and to many psych presentations