This decline in testosterone in aging men has been termed “andropause.” The loss of testosterone, which can happen to men as young as 25, is gradual, with testosterone levels dropping just 1 percent to 1.5 percent annually.
This decline in testosterone in aging men has been termed “andropause.” The loss of testosterone, which can happen to men as young as 25, is gradual, with testosterone levels dropping just 1 percent to 1.5 percent annually.