Alertness

How the human body first fights off pathogens

People constantly encounter viruses, bacteria or parasites. Fortunately, our skin, the specialized lining of our guts and other parts of our body that are exposed to the outside world prevent them from entering. When a pathogen ...

Jul 24, 2017
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The new war on sepsis

Dawn Nagel, a nurse at St. Joseph Hospital in Orange, Calif., knew she was going to have a busy day, with more than a dozen patients showing signs of sepsis. They included a 61-year-old mechanic with diabetes. An elderly ...

Jun 25, 2017
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Scientists find the key to improved cancer immunotherapy

Researchers at the Centro Nacional de Investigaciones Cardiovasculares Carlos III (F.S.P.) have investigated how different subtypes of essential immune-response cells called CD8+ T lymphocytes cooperate to mount a stronger ...

Jul 18, 2017
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What to look for when choosing a good care home

Although four out of five adult care homes in England evaluated in a recent report by the Care Quality Commission (CQC) were found to provide good care, it is the shocking reports of resident abuse, medication errors, under ...

Jul 14, 2017
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Risk of heat-related health problems increases with age

With summer here and the temperatures rising, it is important to understand the health risks that excessive heat can bring and know the signs of heat-related illnesses. Older adults and people with chronic medical conditions ...

Jul 14, 2017
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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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