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Caffeine – a meta-analysis found an increase in alertness and attentional performance. [26] [24] Eugeroics (armodafinil and modafinil) – are classified as "wakefulness-promoting agents"; modafinil may increase alertness, particularly in sleep-deprived individuals, and may improve reasoning and problem solving in non-ADHD youth. [23]
Caffeine – ADHD is associated with increased caffeine consumption, and caffeine's stimulant effects on cognition may have some benefits for ADHD. [251] Limited evidence suggests a small therapeutic effect that is markedly inferior to standard treatments like methylphenidate and dextroamphetamine while still producing similar or greater side ...
Caffeine is a stimulant compound belonging to the xanthine class of chemicals naturally found in coffee, tea, and (to a lesser degree) cocoa or chocolate. It is included in many soft drinks, as well as a larger amount in energy drinks. Caffeine is the world's most widely used psychoactive drug and by far the most common stimulant.
Nicotine is a secondary metabolite produced in a variety of plants in the family Solanaceae, most notably in tobacco Nicotiana tabacum, where it can be found at high concentrations of 0.5 to 7.5%. [178] Nicotine is also found in the leaves of other tobacco species, such as Nicotiana rustica (in amounts of 2–14%).
Abbott Laboratories in partnership with NeuroSearch have two drug candidates in clinical trials, ABT-894, a selective α4β2 nicotine receptor agonist, for ADHD and ABT-560, a neuronal nicotinic receptor modulator, which was selected by Abbott in 2006 as a new development candidate for cognitive dysfunctions.
Caffeine is a chemical stimulant found “naturally found in plants such as coffee beans, tea leaves, cacao beans, and guarana berries,” Ally Mast, RDN, said. Many of us consume it in beverages ...
Psychostimulants, such as cocaine, amphetamines, methylphenidate, caffeine, and nicotine, produce improvements in physical and mental functioning, including increased energy and alertness. Stimulants tend to be most widely used by people with attention deficit hyperactivity disorder (ADHD), which can either be diagnosed or undiagnosed.
Smokers with ADHD who take methylphenidate may increase their nicotine dependence, and smoke more often than before they began using methylphenidate, with increased nicotine cravings and an average increase of 1.3 cigarettes per day. [88] There is some evidence of mild reductions in height with prolonged treatment in children. [89]