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What to avoid: What to avoid:
Spending too much time in the sun, especially direct sun. Spending too much time in the sun, especially direct sun.
Strenuous activity in hot and/or humid weather, and during the hottest part of the day, Strenuous activity in hot and/or humid weather, and during the hottest part of the day,
especially between 10 a.m. and 4 p.m. especially between 10 a.m. and 4 p.m.
Caffeine and alcohol use in extreme heat can cause dehydration. Caffeine and alcohol use in extreme heat can cause dehydration.
Heat safety measures Heat safety measures
When the outdoor humidity level is greater than 75%, the body’s ability to lose heat by When the outdoor humidity level is greater than 75%, the body’s ability to lose heat by
sweating is decreased. Other methods of keeping cool must be used. The National Weather sweating is decreased. Other methods of keeping cool must be used. The National Weather
Service gives a heat index each day in the newspaper to alert people of the risk for heat- Service gives a heat index each day in the newspaper to alert people of the risk for heat-
related illnesses in relation to the air temperature and/or humidity for the day. Direct exposure related illnesses in relation to the air temperature and/or humidity for the day. Direct exposure
to the sun can greatly increase the risk of a heat-related illness. to the sun can greatly increase the risk of a heat-related illness.
Be especially careful when you are physically active in hot weather to reduce the risk of Be especially careful when you are physically active in hot weather to reduce the risk of
getting a heat-related illness. Outdoor workers must be aware of the risks. getting a heat-related illness. Outdoor workers must be aware of the risks.
Wear lightweight, light-colored, loose-fitting clothing in hot weather, so your skin can cool Wear lightweight, light-colored, loose-fitting clothing in hot weather, so your skin can cool
through evaporation. Wear a wide-brimmed hat or use an umbrella to shade yourself in hot, through evaporation. Wear a wide-brimmed hat or use an umbrella to shade yourself in hot,
sunny weather. sunny weather.
Stay in air-conditioned areas during hot weather as much as possible. Take a cool bath or Stay in air-conditioned areas during hot weather as much as possible. Take a cool bath or
shower once or twice a day in hot weather. shower once or twice a day in hot weather.
Hot weather health tips Hot weather health tips
If you feel nauseated, dizzy, or weak in a hot environment, sit or lie down quickly to decrease If you feel nauseated, dizzy, or weak in a hot environment, sit or lie down quickly to decrease
the chance of fainting. the chance of fainting.
Anyone standing for any length of time in a hot environment should flex their leg muscles Anyone standing for any length of time in a hot environment should flex their leg muscles
often while standing. This prevents blood from pooling in the lower legs, which can lead to often while standing. This prevents blood from pooling in the lower legs, which can lead to
fainting. fainting.
Be aware of the symptoms of heat-related illnesses and know appropriate treatment Be aware of the symptoms of heat-related illnesses and know appropriate treatment
measures. Do not become dehydrated. The amount and color of your urine can indicate measures. Do not become dehydrated. The amount and color of your urine can indicate
whether you are properly hydrated. whether you are properly hydrated.
If you take medications regularly, ask your health professional’s advice about hot weather If you take medications regularly, ask your health professional’s advice about hot weather
activity and your risk of getting a heat-related illness. activity and your risk of getting a heat-related illness.
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