EXPERT OFFERS ADVICE ON COPING IN THE HEAT
July 21, 2000
University Park, Pa. -- The National Weather Service says Americans should prepare for higher-than-normal temperatures this summer and take precautions against heat-related illnesses.

Nearly 500 people died from excessive heat in 1999 in the U.S, Heat killed 118 people in Philadelphia alone in 1993, over 600 people died in Chicago in 1995 from heat-related causes, and more than 5,200 deaths were attributed to excess environmental heat from 1979 through 1991. People most at risk from heat illnesses include the elderly, small children, persons with weight or alcohol problems and those taking certain kinds of medication.

"With global warming, the frequency of heat waves has increased by 88 percent from 1949 through 1995. Heat waves kill more people annually than any other type of natural disaster," says Dr. W. Larry Kenney, professor of physiology in the Noll Physiological Research Center in Penn State’s College of Health and Human Development. Kenney researches thermoregulation and recommends taking these precautions to avoid heat-related illnesses:

* Allow time to slowly acclimate to the heat. That is, don't overextend stay time outdoors on the first few hot days. It takes 10-14 days of light exercise or activity in a hot environment to fully adjust.

* Stay very well hydrated at all times. Drink lots of fluids and eat foods high in water content (fruits, soups, etc.) For prolonged activity in the heat, consider a sports drink.

* Be careful that medications do not predispose you to heat-related problems. Anti depressants, anti-anxiety drugs, beta-blockers, and diuretics can all promote dehydration or heat illness.

* Wear light colored, loose-fitting clothing and hats with brims. Make frequent trips indoors if you have air-conditioning. Don't overdo it!

Dr. Lawrence Kenny can be reached at or 814-863-1672.