Alertness

New genes associated with extreme longevity identified

Centenarians show successful aging as they remain active and alert at very old ages. Scientists at Stanford University and the University of Bologna have begun to unravel the basis for longevity by finding genetic loci associated ...

Dec 17, 2015
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Alertness is the state of paying close and continuous attention, being watchful and prompt to meet danger or emergency, or being quick to perceive and act. It is related to psychology as well as to physiology. A lack of alertness is a symptom of a number of conditions, including narcolepsy, attention deficit disorder, chronic fatigue syndrome, depression, Addison's disease, or sleep deprivation. The word is formed from "alert", which comes from the Italian "all'erta" (on the watch, literally, on the height; 1618)

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