I live in Florida, so it's really hot all the time. Is it
dangerous to run outside in the heat? Will I burn more calories
outside or inside on a treadmill?
-
Madison*
Yes, it can be dangerous to run outside in the heat -
particularly in regions like Florida, where the humidity can get
pretty high. As temperature and humidity rise, it becomes harder
for your body to cool itself down, which can lead to heat-related
illnesses such as heat cramps, heat exhaustion, and heat stroke - a
medical emergency. Dehydration increases the risk of heat-related
illnesses.
When you go running, be sure to wear light clothing, stick to
the shade, and drink water every 15 minutes. Symptoms of
heat-related illness include muscle cramps, weakness, nausea, and
vomiting. If you experience any of these, stop your workout
immediately, cool off, and hydrate.
If you're an outdoor person in warmer climates, your best
bet is to run before 11 a.m. or after 6 p.m. But even the
early-morning hours in the Sunshine State may be too hot for
running. You do burn more calories by running outside than on a
treadmill, but you can always adjust the incline on the treadmill
to increase the intensity of your workout. The scenery may not be
as nice, but working out in a gym has its advantages, and you can
add a little variety to your cardio routine by trying out other
equipment, like the stair stepper or elliptical machine.
Reviewed by:
Mary L. Gavin, MD
Date reviewed: June 2007
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*Names have been changed to protect user privacy.
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