Exercising in the heat: What you need to know

WASHINGTON - You don't have to cancel your workout because of the excessive heat. But you do need to be aware of the risks so you can keep yourself safe.

Experts say that when it's extremely hot out, try to get your workout in before 7 a.m. or after 7 p.m.

Staying hydrated during your workout is essential and wearing light athletic clothing that wicks moisture away helps keep you cool.

Also, you should know the signs of heat exhaustion and heat stroke - both of which can come on quickly.

Heat Exhaustion:
- You feel faint or dizzy
- Excessive sweating
- Cool, pale and clammy skin

Heat Stroke:
- More serious condition
- Headache
- No sweating
- Skin is red, hot and dry