Answer Happy

An anesthetic and a central nervous system (CNS)
stimulant. As dose increases, users become irritable and
apprehensive, and their behavior may turn paranoid or
violent. High doses can lead to increased heart rate and blood
pressure, weight loss, convulsions, muscle twitching, and other
effects.
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Benzodiazepines
Cocaine
Amphetamines
Depressant
Marijuana
Users feel a mild sense of euphoria, a sense of slowed
time, a dreamy type of self-absorption, and some impairment in
thinking and communicating. The euphoria peaks within a half hour
and usually lasts about 3 hours.
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Benzodiazepines
Cocaine
Amphetamines
Depressant
Marijuana
Slows down neuromuscular activity and cause sleepiness or
calmness. If the does is high enough, brain function can stop,
causing death. Alcohol is the most widely used.
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Benzodiazepines
Cocaine
Amphetamines
Depressant
Marijuana
Sleep patterns are affected (insomnia); heart rate, breathing
rate, and blood pressure increase; restlessness, anxiety, appetite
suppression, and vision problems are common. High doses over long
time periods can produce hallucinations, delusions, and
disorganized behavior.
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Benzodiazepines
Cocaine
Amphetamines
Depressant
Marijuana
Were once used medically for relieving anxiety, and inducing
relaxation and sleep. Today, have largely been replaced by
barbiturates