Alcohol's Effects on the Body Alcohol is a depressant drug. It has a wide range of effects on the body.
Brain/Central Nervous System Alcohol is a depressant that also acts as an anesthetic in the central nervous system. Unique characteristic – Initially creates feeling of mild and pleasant stimulation Affects thinking, judgment, and reasoning abilities More alcohol impairs reflexes and breathing capabilities Heavy drinking will cause brain atrophy
Brain/Central Nervous System (cont.) Over time, the brain and nervous system become less sensitive to alcohol’s effects Alcohol is a physically and psychologically addictive drug
Stomach Amount of food in stomach helps determine the effect alcohol will have on a person - but does NOT prevent alcohol absorption! Alcohol stimulates acid secretion in stomach Moderate to heavy drinking is related to: Ulcers Ulcers Stomach Cancer Stomach Cancer Cancer of Mouth, Tongue, and Esophagus Cancer of Mouth, Tongue, and Esophagus
Lungs Small amount of alcohol is exhaled when breathing High alcohol levels can result in: Unconsciousness Unconsciousness Coma Coma DEATH from suppression of the brain’s breathing center – the Medulla DEATH from suppression of the brain’s breathing center – the Medulla
Liver Almost all the alcohol is metabolized in the liver at the average rate of.5 (1/2) ounce per hour. Each drink has approximately.5 (1/2) ounce of alcohol. Prolonged heavy drinking can cause fat to accumulate in the liver, eventually turning to scar tissue – Cirrhosis CirrhosisSixth leading cause of adult death in U.S. Cirrhosis - Sixth leading cause of adult death in U.S.
Kidneys Alcohol is a Diuretic Diuretics increase urine production Alcohol consumption increases dehydration
Small Intestine Almost all alcohol consumed is absorbed from the small intestine into the bloodstream
Cardiovascular System/Circulatory System Alcohol is a VASODILATOR Slows heart rate Gives drinker feeling of warmth even when body temperature goes down
Reproductive System Alcohol decreases production of male hormone testosterone Affects inhibitions Less obvious and more common is Fetal Alcohol Effect which is the same as FAS but to a lesser degree. Drinking during pregnancy risks Fetal Alcohol Syndrome (FAS) Joint Problems Joint Problems Growth Deficiencies Growth Deficiencies Heart Deformation Heart Deformation Mental Retardation Mental Retardation