If a person quits drinking after several years of drinking and does not have cancer of the esophagus or stomach, what is the benefit related to cancer risk if the person is 40 years of age?

Benefits: Alcoholism is the 3rd leading cause of preventable death in the U.S. and has a multitude of effects on many organs of the body. Chiefly, alcoholism causes liver damage, disruptions in glucose metabolism and many changes in the brain. I've attached a fantastic article from the NIH which summarizes a lot of info - Hope it helps! http://pubs.niaaa.nih.gov/publications/aa63/aa63.htm

See below: You can reduce your risk of these cancers by: limiting alcohol, stop smoking, avoid high salt processed foods, avoid all processed lunch meats with "nitrites" on the label, eats lots of organic fruits and veggies, Limit meat fish or chicken to 2-3 times a week. exercise and avoid obesity. Additional risk reduction by going mostly vegetarian or vegan. See checklists . http://bit.ly/1hKZ4wy