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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 ...
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.
Caffeinism. Other names. Caffeine overdose. Specialty. Toxicology, psychiatry, neurology. 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]
Drinking coffee in moderation may help lower disease risk. This new study found that, compared with people who did not drink caffeine at all or who drank less than 100 milligrams (mg) per day ...
Since everyone’s different, there’s no absolute answer to the question of how much caffeine is too much. Specific conditions excepted, most adults are probably safe with the FDA’s 400 mg per ...
Caffeine — in coffee or in any other food or drink— can be both friend and foe when it comes to heart health. The new study is only the latest to suggest a link between moderate consumption ...
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 ...
Moderate amounts of caffeine intake — defined as about three cups of coffee or tea a day — were associated with a lower risk of developing cardiometabolic multimorbidity, said the study’s ...