Heat waves kill more people than tornadoes, hurricanes and earthquakes.
That means everyone needs to be careful.
Here are the signs for heat exhaustion:
Heavy sweating
Paleness
Muscle cramps
Weakness
Dizziness
Headache
Nausea
Left untreated heat exhaustion can turn into heat stroke, here are the signs:
Elevated body temperature
Absence of sweat, flushed face
Rapid pulse
Agitation
Hallucinations
Seizures
Coma
Doctors say you should always drink water, wear loose and light colored clothingand avoid the hottest part of the day.