I am not giving to repeat do acai berry work all of that material here, but I do want to discuss a few specific points of preventive health care that need emphasis before I give you my advice about what the body needs if it is to enjoy healthy aging: o Don’t smoke. Tobacco addiction is the single greatest cause of preventable illness, and tobacco smoke is the most obvious environmental cause of cancer. Yes, here are centenarians and other very old people who smoke and have one so for most of their lives. They are blessed (or cursed) with genes that allow them to detoxify the harmful combustion products of tobacco.