Men’s testosterone levels have been declining for decades, and nobody knows why exactly.
A study from 2021 found that total testosterone levels have been declining in young adult men in recent decades. Testosterone deficiency currently affects about 20 percent of adolescent and young adult males.
Another study published in 2020 further supports these findings, indicating a “highly significant” age-independent decline in total testosterone during the first and second decades of the 21st century that cannot be solely attributed to rising obesity rates.
Consequently, testosterone replacement therapy (TRT) has garnered increased interest as a potential solution, despite earlier concerns about its impact on heart health….