Alertness

Who needs stress? We all do. Here's why

If you could do something to decrease your risk of memory failure, to increase your self-confidence, to be a better public speaker, to improve your brain, to help you deal with back pain, to bust out of your comfort zone, ...

Jan 17, 2017
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Sensory stimuli control dopamine in the brain

Regardless of whether we are sitting in a loud aeroplane or walking through a quiet forest clearing, how humans perceive their environment depends on the stimuli. This, in turn, affects our behaviour – sometimes consciously, ...

Jan 13, 2017
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Zika fears, opioid abuse crisis top health news for 2016

(HealthDay)—When news reports first began to emerge of mysterious, severe birth defects in Brazilian newborns, few could have imagined these isolated tragedies would explode into the leading health news story of 2016: the ...

Dec 29, 2016
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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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