What are the physiological effects of extreme heat? The Centers for Disease Control and Prevention (CDC) has issued recommendations stating that extreme temperatures make it challenging for the body to regulate its internal temperature control system.
Normally, the body cools itself in the heat by perspiring. In exceptionally hot temperatures, sweating is not always sufficient, according to the website’s guidance. It adds that high body temperatures can cause injury to the brain or other vital organs, as well as heat stroke, heat exhaustion, cramps, and rashes.
It says that when humidity is high, sweat evaporates more slowly, preventing the body from releasing heat rapidly.
Having an underlying health condition, such as heart disease or poor circulation, can also affect the body’s capacity to self-regulate, the study notes.