If you're a new convert to the life-saving benefits of quitting smoking, you may not just want to stop future health problems, but also reverse some of the damage already done to you by smoking. Smoking takes its toll on your lungs, your heart and blood vessels, and even your skin.

According to an article in the March 2006 issue of the journal "Obesity," voluntary physical activity and exercise training can favorably influence brain plasticity by facilitating neurogenerative, neuroadaptive, and neuroprotective processes."

Food grade hydrogen peroxide is a 35-percent solution intended for use in preparing or storing food. Some suppliers use it, for instance, to clean bagged lettuce.

Exercise is a stress to your body that elicits changes to your physiology. These changes make it possible for your body to perform the activities you ask of it more effectively and efficiently. However, these changes take time and will be lost if you do not maintain your activity.

Alcohol and muscle development don’t mix. The Notre Dame Office of Alcohol and Drug Education states that alcohol can basically wipe out any physiological benefits achieved through training, weightlifting or physical activity. Protein synthesis is the process required to build muscle.

An ulcer — also referred to as a stomach ulcer or peptic ulcer — is a sore that forms in the stomach or in the upper portion of your small intestines. Ulcers occur when the acid your stomach uses for digestion begins to eat away at the lining of your stomach and small intestines.

Potatoes are an excellent source of vitamin C, and one potato with the skin on also provides 620 milligrams of the mineral potassium. Potato skins contain essential dietary fiber and nutrients and should be eaten with the potato.

Long-term cigarette smoking has progressive ill effects on the entire body. Short-term changes in heart rate and breathing patterns give way to chronic and potentially fatal health problems.

LSD or d-lysergic acid diethylamide is a powerful mind-altering drug manufactured from lysergic acid, according to the National Institute on Drug Abuse. Lysergic acid comes from the fungus ergot, which grows on certain grains.

Your muscles might feel sore after a run or overdoing it at the gym, particularly if you don't normally exercise as rigorously. This occurs due to muscle damage and the buildup of natural waste products in your cells.

While pregnant, no known quantity of alcohol is considered safe for the baby, therefore many obstetricians recommend that pregnant women avoid alcohol completely as soon as they know they are pregnant.

Many disorders that humans contract have obvious signs, such as a red rash or watery eyes. Others are identifiable by a blood test or X-ray. Identifying someone suffering from alcoholism can be a bit more difficult.