The dangers of heat-related illnesses
Prolonged exposure to both heat and humidity can lead to heat-related illnesses—from heat cramps to exhaustion to life-threatening heatstroke.
Jul 25, 2024
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Prolonged exposure to both heat and humidity can lead to heat-related illnesses—from heat cramps to exhaustion to life-threatening heatstroke.
Jul 25, 2024
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Dehydration can lead to a wide array of mild to severe symptoms, from temporary inconveniences on mood to life-threatening concerns. Researchers in the Penn State Department of Biobehavioral Health studied how dehydration ...
May 23, 2024
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Dehydration is a big issue during unusually hot weather and outbreaks of diseases such as cholera that lead to life-threatening diarrhea. Anastasia Ugwuanyi is a family physician and clinical educator at the University of ...
Mar 21, 2024
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Nearly all farm workers who participated in a recent study in Florida were dehydrated at the end of their shifts, and more than half were still dehydrated the following morning.
Mar 19, 2024
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The "stomach bug" is unfortunately making the rounds these days. Norovirus rates in the Northeast are now at their highest levels since April, according to the CDC. The positive "stomach flu" rates in the Northeast are currently ...
Feb 27, 2024
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For adults and older children, dehydration from diarrhea is a common, pervasive threat: Annually, more than 1 million die from it.
Feb 23, 2024
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Water is essential to good health. Every cell, tissue and organ in your body needs water to work properly. Water is essential for maintaining your body temperature; lubricating and cushioning your joints; and getting rid ...
Oct 5, 2023
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News that four Australians and two Indonesian crew members have been found alive after going missing on Sunday from a boat trip off the coast of Aceh in Indonesia has made headlines around the world.
Aug 15, 2023
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Dehydration brings lots of risks—including urinary tract infections (UTIs).
Jul 19, 2023
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Extreme heat can be dangerous, but you can stay cool and safe this summer if you take the right precautions.
Jun 12, 2023
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In physiology and medicine, dehydration (hypohydration) is defined as the excessive loss of body fluid. It is literally the removal of water (Ancient Greek: ὕδωρ hýdōr) from an object; however, in physiological terms, it entails a deficiency of fluid within an organism. Dehydration of skin and mucous membranes can be called medical dryness.
There are three types of dehydration: hypotonic or hyponatremic (primarily a loss of electrolytes, sodium in particular), hypertonic or hypernatremic (primarily a loss of water), and isotonic or isonatremic (equal loss of water and electrolytes). In humans, the most commonly seen type of dehydration by far is isotonic (isonatraemic) dehydration which effectively equates with hypovolemia, but the distinction of isotonic from hypotonic or hypertonic dehydration may be important when treating people who become dehydrated. Physiologically, dehydration, despite the name, does not simply mean loss of water, as water and solutes (mainly sodium) are usually lost in roughly equal quantities to how they exist in blood plasma. In hypotonic dehydration, intravascular water shifts to the extravascular space, exaggerating intravascular volume depletion for a given amount of total body water loss. Neurological complications can occur in hypotonic and hypertonic states. The former can lead to seizures, while the latter can lead to osmotic cerebral edema upon rapid rehydration.
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