The short-term side effects of consuming beer on limbic and nervous systems include numbing all nerves. This may lead to memory loss, confusion, and unconsciousness. Excessive taking of beer affects the gastrointestinal tract by causing acid reflux leading to GERD together with nausea and vomiting. It affects the blood system by causing excessive loss of water from the blood. On the pulmonary system, high amounts of beer may cause breathing problems by poisoning the lungs.
In the long term, alcohol consumption affects the digestive system severely, especially the liver, where it causes cirrhosis, fatty liver disease, and alcoholic hepatitis. It also inflames the lining of the stomach, thus increasing the risk of ulcers and gastritis. The presence of beer in the intestines prevents the proper digestion of nutrients. Hence, malnutrition may occur. On the liver, beer causes pancreatitis. Similarly, beer consumption affects the endocrine system by causing a buildup of digestive enzymes, which may lead to diabetes. In the central nervous system, beer triggers the release of neurotransmitters, which heralds the development of alcoholism, stress, and depression. Heavy drinking affects the circulatory system, and it may lead to hypertension, cardiomyopathy, and heart attack. On the reproductive system, it causes erectile dysfunction and irregular menstruation. Finally, excessive beer consumption affects the immune system by lowering the body’s natural defenses, which is a predisposing factor for different diseases.