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Drugs and Consciousness (Types Of Drugs (Psychoactive (Stimulants (cocaine…
Drugs and Consciousness
Tolerance
With repeated exposure to a drug, the drug’s effect lessens.
Withdraw
Upon stopping use of a drug, after being addicted, users may experience the undesirable effects, such as shaking or craving of the drug and the need to have it.
Dependence
along with withdraw, the absence of a drug can cause a feeling of physical pain or intense cravings, which is a physical dependence and negative emotions, which is a psychological dependence.
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Types Of Drugs
Psychoactive
Depressents
include:
Alcohol
Affects motor skills, judgment, and memory
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Barbituates
Depresses the activity of the central nervous system, impairing memory and judgment.
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Opiates
depresses neural activity, temporarily lessening pain and anxiety.
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Hallucinogens
LSD
causes higher body temperature, sweating, nausea, heart rate and blood pressure.
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