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  2. Caffeine dependence - Wikipedia

    en.wikipedia.org/wiki/Caffeine_dependence

    Psychiatry. Caffeine dependence is a condition characterized by a set of criteria, including tolerance, withdrawal symptoms, persistent desire or unsuccessful efforts to control use, and continued use despite knowledge of adverse consequences attributed to caffeine. [1] It can appear in physical dependence or psychological dependence, or both.

  3. Caffeine - Wikipedia

    en.wikipedia.org/wiki/Caffeine

    Caffeine. Caffeine is a central nervous system (CNS) stimulant of the methylxanthine class and is the most commonly consumed psychoactive substance globally. [9][10] It is mainly used for its eugeroic (wakefulness promoter), ergogenic (physical performance enhancing), or nootropic (cognition improving) properties. [11][12] Caffeine acts by ...

  4. Caffeinism - Wikipedia

    en.wikipedia.org/wiki/Caffeinism

    Caffeinism is a state of intoxication caused by excessive consumption of caffeine. This intoxication covers a variety of unpleasant physical and mental symptoms associated with the consumption of excessive amounts of caffeine. [1] Caffeine is considered one of the most widely consumed drugs around the world. Around 80% of the world population ...

  5. Caffeine-induced anxiety disorder - Wikipedia

    en.wikipedia.org/wiki/Caffeine-induced_anxiety...

    Caffeine-induced anxiety disorder. Caffeine-induced anxiety disorder is a subclass of the DSM-5 diagnosis of substance/medication-induced anxiety disorder. [1] Consumption of caffeine has long been linked to anxiety. [2] The effects of caffeine and the symptoms of anxiety both increase activity within the sympathetic nervous system.

  6. Caffeine-induced psychosis - Wikipedia

    en.wikipedia.org/wiki/Caffeine-induced_psychosis

    Caffeine-induced psychosis is a relatively rare phenomenon that can occur in otherwise healthy people. Overuse of caffeine may also worsen psychosis in people suffering from schizophrenia. [1] It is characterized by psychotic symptoms such as delusions, paranoia, and hallucinations. [2][3] This can happen with ingestion of high doses of ...

  7. Effect of caffeine on memory - Wikipedia

    en.wikipedia.org/wiki/Effect_of_caffeine_on_memory

    The effect of caffeine on short-term memory (STM) is debated amongst academics. Studies conclude that caffeine intake improves the performance of short-term and working memory, specifically associating caffeine intake with a shortened reaction time. [1] However, these findings are inconsistent and other studies conclude that caffeine has a ...

  8. Caffeine-induced sleep disorder - Wikipedia

    en.wikipedia.org/wiki/Caffeine-induced_sleep...

    Specialty. Psychiatry. Caffeine-induced sleep disorder is a psychiatric disorder that results from overconsumption of the stimulant caffeine. Caffeine is one of the most widely consumed psychoactive drugs: almost 90% of Americans in a survey consume some type of caffeine each day. [1] ". When caffeine is consumed immediately before bedtime or ...

  9. Low caffeine coffee - Wikipedia

    en.wikipedia.org/wiki/Low_caffeine_coffee

    Low caffeine coffee is a term that is used by coffee producers to describe coffee that has not been subjected to a process of decaffeination, but is substantially lower in caffeine than average coffee. Samples of coffee vary widely in caffeine levels due to many factors, some well documented (such as genetics) and some not fully understood ...