Sweaty and sleepless nights. Unexplained depression, weight gain, headaches and lack of desire for sex. Typical symptoms for women entering menopause. However, it turns out that they can also affect men. Studies have found that lower than normal testosterone levels can occur in men of a certain age. This is most likely the cause of your symptoms. Those affected also report a lack of energy. It turns out that the condition is not that rare – about 25% of men suffer from lower than normal testosterone levels. In some cases, this transition leads to symptoms that may be known as “male menopause.” Male hormone levels slowly begin to decline with age, usually around age 40, explains Alvin Matsumoto, MD, professor of geriatric medicine at the University of Washington School of Medicine in Seattle, US. Although this lowering is a natural process, Dr. Matsumoto adds that it still has its physiological or clinical consequences and should be treated. NEWS_MORE_BOX More and more doctors seem to agree with this view. Between 1999 and 2008, the number of prescriptions for testosterone therapy in the US increased by more than 440%, reaching 3.3 million. Testosterone treatment in middle-aged or older men is largely unproven. , it also carries the risk of side effects. The sharp increase in such therapies raises the question among some experts whether the hormone is being overused and whether the so-called “male menopause” should be treated.