Until recently, almost all vocational education took place in the classroom, or on the job site, with students learning trade skills and trade theory from accredited professors or established professionals.
Spironolactone (Aldactone) may be used with other medicines to treat high blood pressure and heart failure. It may also help people who have too much aldosterone, a hormone, or people who have edema (fluid retention) from heart, liver, or kidney disease. Certain antidepressants may lower testosterone levels.
This is a big problem. Soy contains plant estrogens in the form of isoflavones which effectively raise your estrogen levels and therefore lowers your testosterone levels. Those hormones are in competition so more of one means less of the other.