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  1. en.wikipedia.org › wiki › StimulantStimulant - Wikipedia

    Abuse of central nervous system (CNS) stimulants is common. Addiction to some CNS stimulants can quickly lead to medical, psychiatric, and psychosocial deterioration. Drug tolerance, dependence, and sensitization as well as a withdrawal syndrome can occur. Stimulants may be screened for in animal discrimination and self-administration models ...

  2. en.wikipedia.org › wiki › NootropicNootropic - Wikipedia

    Nootropics (/ n oʊ. ə ˈ t r oʊ p ɪ k s / noh-ə-TROHP-iks, or / n oʊ. ə ˈ t r ɒ p ɪ k s / noh-ə-TROP-iks) (colloquial: smart drugs and cognitive enhancers, similar to adaptogens) are a wide range of natural or synthetic supplements or drugs and other substances that are claimed to improve cognitive function or to promote relaxation, particularly boosting mood, executive functions ...

  3. en.wikipedia.org › wiki › AdenosineAdenosine - Wikipedia

    Caffeine's stimulatory effects are credited primarily (although not entirely) to its capacity to block adenosine receptors, thereby reducing the inhibitory tonus of adenosine in the CNS. This reduction in adenosine activity leads to increased activity of the neurotransmitters dopamine and glutamate . [35]

  4. en.wikipedia.org › wiki › AnorecticAnorectic - Wikipedia

    Drugs of this class are frequently stimulants of the phenethylamine family, related to amphetamine. The German and Finnish militaries issued amphetamines to soldiers commonly to enhance warfare during the Second World War. Following the war, amphetamines were redirected for use on the civilian market.

  5. Immunosuppressive drugs, also known as immunosuppressive agents, immunosuppressants and antirejection medications, are drugs that inhibit or prevent activity of the immune system

  6. Dextroamphetamine is a central nervous system (CNS) stimulant and an amphetamine enantiomer that is prescribed for the treatment of attention deficit hyperactivity disorder (ADHD) and narcolepsy. [1] [17] It is also used as an athletic performance and cognitive enhancer , and recreationally as an aphrodisiac and euphoriant .

  7. Many researchers have explored the etiology of recreational drug use. Some of the most common theories are: genetics, personality type, psychological problems, self-medication, sex, age, instant gratification, basic human need, curiosity, rebelliousness, a sense of belonging to a group, family and attachment issues, history of trauma, failure at school or work, socioeconomic stressors, peer ...