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  2. List of psychiatric medications by condition treated - Wikipedia

    en.wikipedia.org/wiki/List_of_psychiatric...

    This is a list of psychiatric medications used by psychiatrists and other physicians to treat mental illness or distress. The list is ordered alphabetically according to the condition or conditions, then by the generic name of each medication. The list is not exhaustive and not all drugs are used regularly in all countries.

  3. Population density - Wikipedia

    en.wikipedia.org/wiki/Population_density

    Population density is the number of people per unit of area, usually transcribed as "per square kilometer" or square mile, and which may include or exclude, for example, areas of water or glaciers. Commonly this is calculated for a county, city, country, another territory or the entire world . The world's population is around 8,000,000,000 [3 ...

  4. Drug tolerance - Wikipedia

    en.wikipedia.org/wiki/Drug_tolerance

    Drug tolerance or drug insensitivity is a pharmacological concept describing subjects' reduced reaction to a drug following its repeated use. Increasing its dosage may re-amplify the drug's effects; however, this may accelerate tolerance, further reducing the drug's effects. Drug tolerance is indicative of drug use but is not necessarily ...

  5. Psychoactive drug - Wikipedia

    en.wikipedia.org/wiki/Psychoactive_drug

    Psychoactive drugs operate by temporarily affecting a person's neurochemistry, which in turn causes changes in a person's mood, cognition, perception and behavior. There are many ways in which psychoactive drugs can affect the brain. Each drug has a specific action on one or more neurotransmitter or neuroreceptor in the brain.

  6. Methamphetamine - Wikipedia

    en.wikipedia.org/wiki/Methamphetamine

    Methamphetamine [note 1] (contracted from N- methylamphetamine) is a potent central nervous system (CNS) stimulant that is mainly used as a recreational drug and less commonly as a second-line treatment for attention deficit hyperactivity disorder and obesity. [22] Methamphetamine was discovered in 1893 and exists as two enantiomers: levo ...

  7. Addiction psychology - Wikipedia

    en.wikipedia.org/wiki/Addiction_psychology

    Addiction affects the brain circuits of reward and motivation, learning and memory, and the inhibitory control over behavior. [24] There are different schools of thought regarding the terms dependence and addiction when referring to drugs and behaviors. One adopted belief is that "drug dependence" equals "addiction."

  8. Rush (psychology) - Wikipedia

    en.wikipedia.org/wiki/Rush_(psychology)

    Rush (psychology) In psychology, a rush is an acute, transcendent state of euphoria. A wide variety of recreational drugs are commonly capable of such an event. These drugs include, but are not limited to, opioids (particularly heroin) and psychostimulants (particularly methamphetamine and cocaine ). Illicit methamphetamine.

  9. Stimulant - Wikipedia

    en.wikipedia.org/wiki/Stimulant

    Ritalin: 20 mg sustained-release (SR) tablets. Stimulants (also known as central nervous system stimulants, or psychostimulants, or colloquially as uppers) are a class of drugs that increase the activity of the brain. They are used for various purposes, such as enhancing alertness, attention, motivation, cognition, mood, and physical performance.