Don't abuse alcohol. If you do drink alcohol, limit how much you drink and how often. If you drink more than two drinks a day if you are a man or more than one if you are a woman, you are increasing your risk. A drink is a glass of wine or a 12-ounce can of beer or a 1.5 ounce serving of hard liquor. If you have liver disease, you should not drink alcohol at all.
Cardiovascular endurance is the ability of the heart, lungs, and blood vessels to deliver oxygen to working muscles and tissues, as well as the ability of those muscles and tissues to utilize that oxygen over an extended period of time with moderate intensity.