Testosterone levels in men have dropped by 50% in the last 2 decades.
Xeno-estrogens are in the water supplies of many cities and cannot be filtered out.
Also in plastic packaging.
Women on birth control urinate estrogen into the water systems. Current water treatment technology does not filtered the estrogen out.
Best way to counteract is working out, eating healthy and taking testosterone suppliment and estrogen blocker.
Testosterone supplements below.