As temperatures soar and humidity levels rise, the human body's natural cooling system is put to the test. While our bodies are equipped with an intricate network of sweat glands and blood vessels to regulate our temperature, extreme heat and humidity can overwhelm this system, leading to heat-related illnesses and even death. In this article, learn about the science behind how heat kills, from the critical role of the hypothalamus to the devastating effects of heat exhaustion and heat stroke. Plus, discover essential tips and strategies to protect yourself and loved ones from the dangers of heat exposure, from staying hydrated to seeking refuge in cooler environments.


Human bodies have a natural cooling system, but it can do only so much in high temperatures and humidity. Here's the science behind how heat kills. And how to protect yourself.