09/01/2026
There is lots of debate these days about why testosterone levels are dropping among men, but consensus agreement that it's a steady trend for decades. A rise in obesity may be a factor. An increase in foods packaged in plastics may be another.
"The relationship between male testosterone and health is two-way and complex. Testosterone regulates s***m production, s*x drive, helps build muscle mass, bone density and plays a role in mood, energy levels and metabolism. Health factors such as obesity – where excess body fat increases the conversion of testosterone into estrogen – can lead to lower testosterone."
Exclusive: Researchers warn of ‘major crisis in male reproductive health’ partly driven by obesity and diabetes