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Nootropics (/ n oʊ. ə ˈ t r oʊ p ɪ k s / noh-ə-TROHP-iks or / n oʊ. ə ˈ t r ɒ p ɪ k s / noh-ə-TROP-iks), [1] colloquially brain supplements, smart drugs and cognitive enhancers, are natural, semisynthetic or synthetic compounds which purportedly improve cognitive functions, such as executive functions, attention or memory.
Kavain has anticonvulsive properties, attenuating vascular smooth muscle contraction through interactions with voltage-dependent Na + and Ca 2+ channels. [1] How this effect is mediated, and to what extent this mechanism is involved in the anxiolytic and analgesic effects of kavalactones on the central nervous system, is unknown.
Regular consumers of caffeine, on the other hand, showed only positive effects when it came to memory tasks. An important factor to consider is that there was fairly wide-range daily caffeine consumption previous to the study, and this could have had a significant effect on performance of the task because not everyone is at the same baseline. [15]
Two new studies suggest once again the importance of getting a good night's sleep for good health over a lifetime, as scientists pursue new understandings of restorative deep sleep.
"Potentiates digitalis activity, increases coronary dilation effects of theophylline, caffeine, papaverine, sodium nitrate, adenosine and epinephrine, increase barbiturate-induced sleeping times" [3] Horse chestnut: conker tree, conker Aesculus hippocastanum: Liver toxicity, allergic reaction, anaphylaxis [3] Kava: awa, kava-kava [4] Piper ...
Recent research reveals that caffeine has health benefits for most moderate coffee drinkers. Here are the pros and cons of drinking certain coffees, with expert insights and advice.
Yangonin is one of the six major kavalactones found in the kava plant. [1] It has been shown to possess binding affinity for the cannabinoid receptor CB 1 (K i = 0.72 μM), and selectivity vs. the CB 2 receptor (K i >10 μM) where it behaves as an agonist.
The underappreciated link between these mundane activities is good balance, which geriatricians say is key to maintaining an independent lifestyle as we age. Lacking balance can be dangerous. In ...