The heat index, or apparent temperature, combines air temperature and relative humidity to indicate how hot it feels. High humidity slows sweating, the body's natural cooling system, making ...

You need to start learning what the wet-bulb temperature is, as climate change makes the deadly combination of heat and humidity more likely.

A throbbing headache is another common sign of heat stroke, per the Mayo Clinic. This symptom is typically due to dehydration ...

Heat stroke occurs when the body is unable to regulate its temperature. This happens when the sweating mechanism fails and the body cannot cool down, according to the CDC.

Soaring temperatures are dangerous and deadly. Here's the difference between heat exhaustion and heat stroke as Ohio has its first heat wave of 2025.