BPK 140 Lecture Notes - Lecture 13: Peyote, Cardiac Arrhythmia, Methamphetamine
13 Apr 2017
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Document Summary
Drug: any substance other than food or water that"s taken to change the structure or the function of the body. Psychoactive drug: a drug that exerts its effects on the brain, which causes a change in perception, mood, thinking, and or behaviour. Oral administration (probably safest) but since it takes longer to take effect, the person may. Over consume if they don"t feel the drug effects immediately. Tobacco: contains the stimulant nicotine, it"s use = the leading preventable cause of disease, disability, and death. Around 10% of deaths are caused from smoking. Carcinogens in cigarette smoke damage the dna and the poisons in cigarette smoke weaken tumour fighters. If you smoke before age 30, health can become almost as good as a non-smoker. The longer you smoke, the harder it is to quit. Benefits of smoking via time on slide 8 don"t need to memorize. Cocaine: stimulant derived from leaves of coca plant, a strong stimulant.
