smart drug

n. Any of a variety of substances, including certain vitamins, herbs, and prescription drugs, reputed to improve such mental functions as memory and alertness or to lessen or prevent damage to brain cells.

nootropic

adjective Referring to a nootropic agent.

noun Any agent—drug, functional food, nutraceutical or nutritional supplement—which is thought to improve mental function, including attention, cognition, concentration, memory or motivation, allegedly by increasing the availability of neurotransmitters, enzymes or hormones, and by increasing O2 delivery or stimulating neural activity.
There is little clinical evidence that most agents advertised as nootropics actually work as advertised.

单词	smart drug
释义	smart drug smart drug n. A drug or other substance that improves or enhances cognitive function; a nootropic agent. smart drug smart drug n. Any of a variety of substances, including certain vitamins, herbs, and prescription drugs, reputed to improve such mental functions as memory and alertness or to lessen or prevent damage to brain cells. nootropic adjective Referring to a nootropic agent. noun Any agent—drug, functional food, nutraceutical or nutritional supplement—which is thought to improve mental function, including attention, cognition, concentration, memory or motivation, allegedly by increasing the availability of neurotransmitters, enzymes or hormones, and by increasing O2 delivery or stimulating neural activity. There is little clinical evidence that most agents advertised as nootropics actually work as advertised.
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