Microsoft PowerPoint - Alcohol S08

Microsoft PowerPoint - Alcohol S08 - The Impact of Alcohol...

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1 The Use and Abuse of Alcohol The Impact of Alcohol s A alcohol in a typical drink reaches the bloodstream in 15 minutes and rises to peak concentration in about 1 hour. s Alcohol only leaves the body after metabolism by the liver. s Light alcohol intake is associated with lower mortality than abstinence, but mortality rates increase with the amount of alcohol consumed. s Alcohol is a diuretic and lowers body temperature. s Alcohol has 7 calories per gram and stimulates the appetite. Why do People Drink? s Biological Factors s Psychosocial Factors s Environmental Factors What is Alcohol? s Alcohol is a central nervous system depressant, which impairs movement and thinking s As alcohol concentrations increase, more functions are depressed, and greater impairment occurs Factors Affecting Alcohol Absorption s Food in the stomach s Gender s Age s Drug interaction s Cigarette smoking s Mood and physical condition s Alcohol concentration s Carbonation The Alcohol Content of Different Drinks Proof With distilled spirits, alcohol content is expressed in terms of proof, a number that is twice the percentage of alcohol: 100-proof bourbon is 50 percent alcohol.
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2 How is Alcohol Metabolized? s 20 to 25% of the alcohol in a drink is absorbed into the bloodstream from the stomach s 75 to 80% is absorbed through the upper part of the small intestine s The liver allows conversion of alcohol to acetaldehyde by an enzyme alcohol
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Microsoft PowerPoint - Alcohol S08 - The Impact of Alcohol...

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