What does alcohol do to our testosterone levels

I will conduct an experiment to find out how much, IF any at all, drinking alcohol affects my testosterone levels. Being the Human Lab-Rat I guess I will have to be the unhealthy one and do the drinking myself...you know, in the name of science https://www.reviewselfhelp.com/single-post/2017/08/04/What-does-alcohol-do-to-our-testosterone-levels