Men’s sexual ability is largely influenced by the hormone testosterone, which plays a crucial role in stimulating sexual desire, causing penis erection, affecting sperm quality, and determining secondary sexual characteristics. However, as men age, testosterone levels naturally decline, impacting their sex life and overall health. This decline in testosterone can result in fatigue, poor appetite, difficulty sleeping, weakened immunity, and decreased sexual activity.
In traditional oriental medicine, the kidneys are considered the root of the human body