Guard your heart during the dog days of summer
Heat, humidity, and haze can put stress on the cardiovascular system. People who have or are at risk for heart disease should drink plenty of water and be careful when exercising outdoors during hot, humid weather. Those who sweat a great deal might consider consuming sports drinks, which contain electrolytes to replenish the minerals they lose when sweating. People who take blood pressure medications (especially diuretics) should ask their doctor about possibly adjusting their dosage on days when they are outside in the heat.
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