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Heat can kill directly via heatstroke. It can also increase your chances of succumbing to a heart condition, stroke or other breathing problems. Hundreds in the US die each year during heat waves. It is estimated that number will only grow higher as temperatures continue, on average, to increase.
Your body wants to maintain a steady core temperature of 98.6 F. When you begin to heat up, your nervous system diverts blood away from your internal organs and to your skin to radiate heat away. Sweat glands release water, which has a cooling effect as it evaporates from your skin.
The best preparation to prevent heat injuries and death is to stay cool. Get out of the sun. Don’t over-exert yourself.
Keep air-conditioning at a livable level. However, if there is a power outage or you don’t have air-conditioning, there are things to keep in mind: Lower floors are always cooler as heat rises. Close shades and lower blinds. Go somewhere that does have air conditioning such as a mall, shelter or theater.
Use fans in your house to promote circulation of air. In the evening and at night, open windows to let in cooler air, then close them in the morning along with blinds and shades. Turn off extra sources of heat such as lights and appliances. Don’t use the stove or oven.
