Chapter 12 – Alcohol and Tobacco

Urination respiration perspiration alcohol lowers body

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Unformatted text preview: impaired attention or memory, stupor, coma medical risks: falls, hypothermia, increased risk of infection due to suppressed immune function treatments: time, protective environment Impact of Alcohol • alcohol directly and quickly absorbed into bloodstream through stomach walls and upper intestine • reaches bloodstream in 15 minutes and rises to peak concentration in about an hour • bloodstream carries alcohol to liver, heart, brain • diuretic: speeds up elimination of fluid form body • alcohol only leaves body after being metabolized by liver – converts about 95% of alcohol to CO2 and water, other 5% excreted unchanged through urination, respiration, perspiration • alcohol lowers body temperature • affects major organ systems of body • risk for cancers of mouth, larynx, esophagus, liver, breast • moderate consumption can have positive effects: prevention or reduction of diabetes, stress, depression, hypertension, senility – but moderate drinkers may participate in regular physical activity, make healthy food choices and see physicians regularly which may account for overall health status Digestive System • reaches stomach first, partially broken down • absorbed easily through stomach tissue into bloodstream • triggers secretion of acids (irritate stomach lining) • excessive drinking: may cause nausea, chronic drinking: may result in peptic ulcers • eventually reaches liver – site of fat metabolism – converts alcohol to fat • after weeks of 4- 5 drinks/day – liver cells accumulate fat • stimulates liver cells to attract white blood cells – can cause irreversible damage Cardiovascular System • people who drink moderate amounts: lower mortality rates after heart attack and lower risk of heart attack compared to abstainers and heavy drinkers • beer, distilled spirits improve health and longevity similarly to red wine • moderate drinkers: less cholesterol build- up in arteries,...
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This test prep was uploaded on 03/03/2014 for the course FRHD 1100 taught by Professor Pitman during the Fall '13 term at University of Guelph.

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