The male hormone levels of testosterone, peak in men in their thirties and begin declining thereafter. It’s estimated that about 30 percent of men over age 40 have low testosterone levels, increased risks of sexual dysfunction and decreased muscle mass and fatigue....
Premature ejaculation is defined as ejaculating within one minute of sexual penetration, and is related to the interaction of neurotransmitters in a man’s brain and spinal cord. Up to three in 10 men suffer from premature ejaculation, but according to leading experts...
