When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Substance use disorder - Wikipedia

    en.wikipedia.org/wiki/Substance_use_disorder

    "Substance use pertains to using select substances such as alcohol, tobacco, illicit drugs, etc. that can cause dependence or harmful side effects."On the other hand, substance abuse is the use of drugs such as prescriptions, over-the-counter medications, or alcohol for purposes other than what they are intended for or using them in excessive ...

  3. Extraneous and missing solutions - Wikipedia

    en.wikipedia.org/wiki/Extraneous_and_missing...

    The solution = is in fact a valid solution to the original equation; but the other solution, =, has disappeared. The problem is that we divided both sides by x {\displaystyle x} , which involves the indeterminate operation of dividing by zero when x = 0. {\displaystyle x=0.}

  4. Substance dependence - Wikipedia

    en.wikipedia.org/wiki/Substance_dependence

    Substance dependence, also known as drug dependence, is a biopsychological situation whereby an individual's functionality is dependent on the necessitated re-consumption of a psychoactive substance because of an adaptive state that has developed within the individual from psychoactive substance consumption that results in the experience of withdrawal and that necessitates the re-consumption ...

  5. Drug - Wikipedia

    en.wikipedia.org/wiki/Drug

    The most widely used drugs in the world include caffeine, nicotine and alcohol, [9] which are also considered recreational drugs, since they are used for pleasure rather than medicinal purposes. [10] All drugs can have potential side effects. [11] Abuse of several psychoactive drugs can cause addiction or physical dependence. [12]

  6. Arguments for and against drug prohibition - Wikipedia

    en.wikipedia.org/wiki/Arguments_for_and_against...

    In Europe as of 2007, Sweden spends the second highest percentage of GDP, after the Netherlands, on drug control. [12] The UNODC argues that when Sweden reduced spending on education and rehabilitation in the 1990s in a context of higher youth unemployment and declining GDP growth, illicit drug use rose [13] but restoring expenditure from 2002 again sharply decreased drug use as student ...

  7. Drug overdose - Wikipedia

    en.wikipedia.org/wiki/Drug_overdose

    Most overdoses occur when drugs are ingested in combination with alcohol. [32] Drug overdose was the leading cause of injury death in 2013. Among people 25 to 64 years old, drug overdose caused more deaths than motor vehicle traffic crashes. There were 43,982 drug overdose deaths in the United States in 2013.

  8. Psychoactive drug - Wikipedia

    en.wikipedia.org/wiki/Psychoactive_drug

    A psychoactive drug, mind-altering drug, or consciousness-altering drug is a chemical substance that changes brain function and results in alterations in perception, mood, consciousness, cognition, or behavior. [1] The term psychotropic drug is often used interchangeably, while some sources present narrower definitions.

  9. Drug withdrawal - Wikipedia

    en.wikipedia.org/wiki/Drug_withdrawal

    Drug withdrawal, drug withdrawal syndrome, or substance withdrawal syndrome [1] is the group of symptoms that occur upon the abrupt discontinuation or decrease in the intake of pharmaceutical or recreational drugs. In order for the symptoms of withdrawal to occur, one must have first developed a form of drug dependence.