Shellfish and other types of seafood are rich in zinc, which is critically important for the heart, muscles, and reproductive system. Zinc levels below normal are linked to poor sperm quality and male infertility. Not fond of seafood? Beef, turkey, chicken, nuts, and seeds offer a healthy dose of zinc, too.
The stomach is a frequent site of bleeding. Alcohol, aspirin, aspirin-containing medicines, and various other medicines (particularly those used for arthritis) can cause stomach ulcers or inflammation (gastritis). The stomach is often the site of ulcer disease. Acute or chronic ulcers may enlarge and erode through a blood vessel, causing bleeding.
Drinking too much alcohol can lead to three types of liver conditions - fatty liver, hepatitis and 'scarring' of the liver (cirrhosis). You are unlikely to develop these problems if you drink within the recommended safe limits detailed below.