You know the feeling: It’s like a sauna outside. Sweat pours down your face and body. You drink gallons of water and still can’t get cool. You don’t want to exert much physical effort. The dog days of summer are here, but with a heightened intensity. Record-breaking heat in the U.S.—with North Texas seeing triple … Continue reading Taking Tests in a Heat Wave is Not So Hot
Summer is in full swing, and with a near-peak number of daylight hours, chances are good that there is still plenty of light left to enjoy once your workday is done. Before you get outside and bask in the sun and heat, check out these I Spy posts that explain how your body responds to … Continue reading Here Comes the Sun (and the Heat)
When your body gets overheated, it responds in several ways as it races to cool you back down and prevent serious health problems. Heat stress is when your internal body temperature rises above the normal range of 97 to 99 degrees Fahrenheit. This triggers physiological responses geared toward maintaining normal body temperature. Our internal body … Continue reading Out in the Sun? Think about Your Kidneys!
As the temperature outside rises, our bodies make adjustments to keep our internal temperature constant to prevent us from overheating through a process called thermoregulation. This includes bodily functions such as sweating and widening of the blood vessels (vasodilation). When we sweat, perspiration evaporates from our skin to cool us down. When the blood vessels under … Continue reading Putting Out Fires Hurts Firefighters’ Hearts
Temperatures in July and August 2016 were the hottest ever recorded on the planet and much of the U.S. is still struggling with a heat wave. Hundreds of heat-related deaths occur in the U.S. each year, and these rates are on the rise. Awareness of when the body is losing the ability to deal with … Continue reading What Happens during Heat Stroke and How to Prevent It