For many years, coffee was considered a vice, linked with sleepless nights and cigarettes. But scientists have discovered that coffee contains potent antioxidants that can fight numerous ailments, including heart disease and diabetes. According to the American Coffee Association, 54 percent of Americans drink coffee on a daily basis, and they drink, on average, over three cups each. The diseases coffee can benefit include: • Dementia. Drinking moderate amounts of coffee during middle age — classified as three to five cups daily — can decrease the risk of dementia by 65 percent, according to a 2009 study by Swedish and Finnish researchers. • Liver disease. In those who drink too much alcohol, those who drank the most coffee — more than four cups every day — reduced their risk of developing alcoholic cirrhosis by 80 percent. • Heart disease. Research associated with The Nurses' Health Study found that women who drank two to three cups of coffee daily had a 25 percent lower risk of dying from heart disease. Along the same line, a Spanish study found that men who drank more than five cups of coffee each day lowered their risk of dying from heart disease by 44 percent, and that women who drank four to five cups each day reduced their risk by 34 percent. • Prostate cancer. A recent study from Harvard Medical School found that men who drank the most coffee slashed their risk of developing the fastest growing and most difficult to treat prostate cancers by more than half when compared to men who drank no coffee. • Gout. Drinking four or more cups of coffee each day dramatically reduces the incidence of gout, say U.S. and Canadian researchers. Men who drank four to five cups daily lowered their risk by 40 percent, and those who drank six or more cups daily reduced their risk of developing gout by 59 percent when compared to men who didn't drink coffee.