Scientists and medical experts weigh in on how to recognize the signs of heat-related illness and avoid the worst health impacts from increasingly intense heat waves
The ill effects of heat kill more people in the U.S. than those of any other weather phenomenon, according to the National Weather Service. And globally the growing number of longer-lasting and hotter heat waves because of climate change has left people more vulnerable to record-shattering highs.
In addition, prescription drugs can play a role. “There are a lot of drugs that predispose you to heat illness,” says Edward Walter, an intensive care specialist at Royal Surrey County Hospital in England. “They interfere with the way that you lose heat,” disrupting your body’s capacity to sweat or retain water. These drugs broadly include some antidepressants . People with these heat symptoms should seek medical treatment immediately.
If you do start to become overheated, cool down your core rather than focusing on extremities such as the hands and feet, Walter says. That way you avoid restricting blood flow to certain body parts, such as your arms, as your muscles contract from the cold. If possible, submerge your whole body in cool but not freezing water to quickly bring down your core temperature.
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