Western medicine has noted a steady decline in testosterone among men across all age ranges, with studies finding T levels shrinking by 1% or more a year. Scientists won’t know for certain that today’s men have lower testosterone levels than their ancestors for a few decades, but it’s looking highly likely, with the decline accompanied by lower sperm counts, a rise in reproductive disorders and reduced hand grip strength.

The main reasons cited are obesity, toxins and an increasingly sedentary li