Putting Out Fires Hurts Firefighters’ Hearts

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