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Ephedrine works by inducing the release of norepinephrine and hence indirectly activating the α-and β-adrenergic receptors. [11] Chemically, ephedrine is a substituted amphetamine and is the (1R,2S)-enantiomer of β-hydroxy-N-methylamphetamine. [14] Ephedrine was first isolated in 1885 and came into commercial use in 1926.
Additionally, Ephedrine acts as an anorectic, or appetite-suppressing drug. However, the anorectic effect becomes less pronounced over time, as the body becomes tolerant of ephedrine to some degree. An estimated 75% of the efficacy of the ECA stack can be attributed to decreased appetite, while the remaining 25% is due to the thermogenic ...
Militaries worldwide have used or are using various psychoactive drugs to improve performance of soldiers by suppressing hunger, increasing the ability to sustain effort without food, increasing and lengthening wakefulness and concentration, suppressing fear, reducing empathy, and improving reflexes and memory-recall, amongst other things.
For many people, coffee is the drink of choice first thing in the morning. The beverage made from what adults think of as magical wake-up beans gives the boost of energy many need to get out of bed.
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Water extraction: Coffee beans are soaked in water. The water, which contains many other compounds in addition to caffeine and contributes to the flavor of coffee, is then passed through activated charcoal, which removes the caffeine. The water can then be put back with the beans and evaporated dry, leaving decaffeinated coffee with its ...
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A wakefulness-promoting agent (WPA), or wake-promoting agent, is a drug that increases wakefulness and arousal. [1] [2] [3] They are similar to but distinct from psychostimulants, which not only promote wakefulness but also produce other more overt central nervous system effects, such as improved attention span, executive functions, vigilance and motivation.