Alertness

Key step in allergic reactions revealed

By studying the mode of action of the interleukin-33 protein, an alarmin for white blood cells, a team at the Institut de Pharmacologie et de Biologie Structurale (IPBS - CNRS/Université Toulouse III - Paul ...

Oct 14, 2014
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Spotting eye problems in pets

Pets don't have to read an eye chart to keep a driver's license or don prescription glasses to see the tiny text on a smartphone. But they still need eye care. In fact, animals experience many of the same ...

Oct 13, 2014
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Scientists discover pain receptor on T-cells

Researchers at University of California, San Diego School of Medicine have discovered that T-cells – a type of white blood cell that learns to recognize and attack microbial pathogens – are activated by a pain receptor.

Oct 05, 2014
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Women face higher stroke rates than men

Supermodel and Actress Claudia Mason is helping the American Heart Association/American Stroke Association raise awareness for the world's second-leading cause of death on World Stroke Day, Oct. 29.

Oct 17, 2014
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How are nurses becoming infected with Ebola?

American nurse Nina Pham is the second health worker to contract Ebola outside of West Africa while caring for patients with the virus, despite using personal protective equipment. Authorities were quick to attribute lapses in protocol for Pham's and Madrid nurse Teresa Romero Ramos' infection. But inade ...

Oct 15, 2014
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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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