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Quinine is an alkaloid, a naturally occurring chemical compound. [5] How it works as a medicine is not entirely clear. [5] Quinine was first isolated in 1820 from the bark of a cinchona tree, which is native to Peru, [5] [9] [10] and its molecular formula was determined by Adolph Strecker in 1854. [11]
There is one study supporting the use of a novel combination of dextromethorphan and low dose quinidine in alleviating symptoms of easy laughing and crying (pseudobulbar affect); these are a type of rather severe uncontrollable behaviors which can be present in various neurological pathologies such as amyotrophic lateral sclerosis and multiple sclerosis.
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.
EDS can be a symptom of a number of factors and disorders. Specialists in sleep medicine are trained to diagnose them. Some are: Insufficient quality or quantity of night time sleep [5] Obstructive sleep apnea [6] Misalignments of the body's circadian pacemaker with the environment (e.g., jet lag, shift work, or other circadian rhythm sleep ...
In the United States, the US Food and Drug Administration (FDA) limits the quinine content in tonic water to 83 ppm [8] (83 mg per liter), while the daily therapeutic dose of quinine is in the range of 500–1000 mg, [9] and 10 mg/kg every eight hours for effective malaria prevention (2,100 mg daily for a 70-kilogram (150 lb) adult). [10]
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Dihydroquinine, also known as hydroquinine [1] or DHQ, is an organic compound and as a cinchona alkaloid closely related to quinine. The specific rotation is −148° in ethanol . A derivative of this molecule is used as chiral ligand in the AD-mix for Sharpless dihydroxylation .
Billionaire super-investor Warren Buffett has shared plenty of financial wisdom over his almost 70-year career. When addressing the subject of retirement planning, he famously said, "If you don't ...