The document defines fasting as willingly abstaining from food, drink, or both for a period of time. It discusses the benefits of fasting which include reduced risks of cancer, cardiovascular diseases, and diabetes as well as increased stress resistance, slowed aging process, and maximum life span. The document then summarizes fasting practices in several religions including Buddhism, Christianity, Catholicism, Hinduism, Taoism, and Islam during the month of Ramadan. Fasting is observed differently between religions and involves abstaining from certain foods and drinks at specific times.