Alcohol affects the adrenal glands which are responsible for production of steroids and adrenaline which help us respond to stress and infection. Alcohol affects the reproductive system . Very common among alcoholic men are disorders stemming from alcohol - impotence , low testosterone levels , low sperm count , and testicular atrophy or shrinkage. Alcohol seems to affect women ' s reproduction functions. Because alcohol suppresses hormone secretion, women alcoholics seem to have an earlier onset of menopause as well.
Alcohol affects the brain and neurological system directly and indirectly .
Alcohol directly affects the brain by causing change and deterioration in the brain cells. Alcohol indirectly affects the brain by causing damage to the other body organs which help the brain function normally, like the liver and heart. Even minor damage to the brain can have a major impact on a person ' s life. Some of this is reversible with abstinence. The more severe the drinking and the progression of the disease, the more structural changes happen in the brain and nervous system .