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Heat Stress

The middle of the country is under a weather high-pressure dome which means we are in for intense heat without relief soon.  In Chicago, another aspect of weather came in to play today, when fog gathered over the lake and beaches in the Chicago area because the cold lake cooled off the hot air and water droplets condensed in it.  The fog caused poor visibility for the lifeguards at the beaches, so 23 of the 24 beaches were closed.  Fortunately, it also cooled off the affected areas a little.

If you can, stay indoors in cooled air and make sure you drink enough water and clear fluid to replace perspiration and usual metabolism. (Avoid caffeine, alcohol, and sugary drinks as they won’t help.)  

If you have to go outside, wear light-colored, loose-fitting clothing made of natural fabric such as cotton or linen to reflect the sun.  Performance wicking fabrics may also be an option if they work for you.  Again, drink lots of clear fluid as previously recommended.  Sunscreen, big sunglasses, and wide-brimmed hats to shade your head, face, ears and neck are also appropriate fashion in this sweltering weather.

Work-rest regimens need to be considered in this weather to prevent heat stress and heat stroke.  Avoid strenuous activities in the hottest part of the day and take frequent breaks.  If you feel dizzy, nauseous, fatigue, excessive sweating, headache, stop what you are doing and cool down immediately as fast as you can.

Heat Rash--Body powder can help absorb perspiration and prevent heat rash and chafing.