Nootropics ( pron.: / n oʊ . ə ˈ t r ɒ p ɨ k s / noh-ə- TROP -iks ), also referred to as smart drugs , memory enhancers , neuro enhancers , cognitive enhancers , and intelligence enhancers , are drugs , supplements , nutraceuticals , and functional foods that purportedly improve mental functions such as cognition , memory , intelligence , motivation , attention , and concentration. [ 1 ] [ 2 ] The word nootropic was coined in 1972 by the Romanian Dr.
Calea ternifolia , also known as Calea zacatechichi , Dream Herb , Leaf of God , and Bitter Grass , is a plant used by the indigenous Chontal of the Mexican state of Oaxaca for oneiromancy (a form of divination based on dreams .) The plant naturally occurs from southern Mexico to northern Costa Rica. There are currently two reported varieties, one being extremely bitter and the other non-bitter. It is also employed by the Chontal people as a medicinal herb against gastrointestinal disorders, and is used as an appetizer, cathartic anti- dysentery remedy, and as a fever-reducing agent.
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