Alertness

Study may show the way to more effective vaccines

Scientists at the University of Bonn, together with colleagues from the USA and Japan, have shed light on an important immune mechanism. Their work shows how the body provides the important killer cells with a helper in the ...

Aug 21, 2015
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'Low T' therapy has yet to be proven: FDA

(HealthDay)—Testosterone supplements have long been marketed to aging men as a fountain of youth and virility, but there is still no proof they are safe or effective, according to the U.S. Food and Drug Administration.

Aug 20, 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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