Health Sciences 1001A/B Lecture Notes - Blood Alcohol Content, Standard Drink, Ethanol

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79. 3% of canadians reported alcohol consumption in the past year. Males are more likely than females to report drinking in the past year. ~ 95% of university students consume alcohol. Through automobile crashes and other injuries, alcohol is the leading cause of death among people ages 15 to 24. Ethyl alcohol is the most common psychoactive ingredient in all alcoholic beverages. When consumed, alcohol is absorbed into the bloodstream from the small intestine, stomach and the colon. It is then distributed throughout the body"s tissues, affecting nearly every body system. Main site of alcohol metabolism = liver transforms alcohol into energy and other products. Of a drink in 1 hour although, varies widely. If more alcohol is consumed than is metabolized, blood alcohol concentration (bac) will steadily increase, as will intoxication. In canada, any beverage containing 1. 1% or more alcohol is considered to be an alcoholic beverage. Alcohol contains seven calories per gram, and per drink is usually 100-200 calories.

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