Are drugs that elevate mood, increase energy and alertness, and give a feeling of euphoria in users. narcotics hallucinogens downers uppers

Drugs that elevate mood, increase energy and alertness are Uppers.

Explanation:

Uppers are stimulant drugs which make people have more energy, increased confidence, decreased appetite and pursuant weight loss. These drugs are cocaine, amphetamines, nicotine and caffeine. All of them stimulate activity of the CNS (Central Nervous System). In the case of Narcotics, the have a sleep-inducing properties. Hallucinogens are psychoactive agents which most likely cause hallucinations, perceptual anomalies, and other substantial subjective changes in thoughts, so we asume they have another main function from the one asked in the question. When it comes to Downers,  these are drugs that lower neurotransmission levels, which is to depress or reduce arousal or stimulation, in various areas of the brain.

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