Heat cramps result from an electrolyte imbalance that can occur with exercise or from working in a hot environment. Learn more from WebMD about symptoms and treatment.

Heat-related illnesses can affect anyone. Officials say prolonged exposure to extreme heat without relief can cause health ...

From heat cramps to heat exhaustion to heat stroke, here's a look at preventable illnesses, and how you can keep cool and healthy. Here's what to know. What is extreme heat?

It is important to understand the different heat-related health concerns and know when it becomes an emergency.

Decreased urine output. Heat cramps. Heat cramps Heat cramps arise from excessive sweating and a loss of water and salt; low salt levels in the muscles can result in muscle cramps.

What are heat cramps? Heat cramps are the first stage of a heat-related emergency and occur from being physically active in the heat. Symptoms include painful muscle cramps and spasms, usually in ...

Extreme caution: When the heat index is 90-103 degrees, the body may feel heat stroke, heat cramps and heat exhaustion with prolonged exposure and physical activity.

Temperatures continue to set records across the U.S. — and the extreme heat can have a life-threatening impact on your body. Forecasters said the long-duration heat wave is extremely dangerous ...

Excessive heat is the No. 1 cause of weather-related deaths in the U.S. Here's what to know about the symptoms of heat stroke and how to stay safe.