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Drugs | IGCSE and O Level Biology pptx
This detailed presentation on drugs for IGCSE Biology examines various classes of substances and their effects on the human body. It covers stimulants like caffeine, nicotine, ecstasy, cocaine, and amphetamines—which heighten nervous activity and increase heart rate—as well as depressants such as alcohol, morphine, heroin, and codeine that slow down the central nervous system, impair judgment, and can lead to severe health risks. Hallucinogens, including LSD and cannabis, are also discussed for their ability to alter perceptions and induce hallucinations. The presentation explores drug tolerance, dependence, addiction, withdrawal symptoms, and the social implications of drug abuse.
#Drugs, #Stimulants, #Depressants, #Hallucinogens, #Addiction, and #IGCSEBiology.
#Drugs, #Stimulants, #Depressants, #Hallucinogens, #Addiction, and #IGCSEBiology.