Summer heat waves can be dangerous.  A very high body temperature can damage the brain and other vital organs. Some health conditions can make it harder for the body to stay cool in hot weather. These include fever, dehydration, heart disease, obesity, high blood pressure, poor circulation, sunburn, and drug & alcohol use. Those who are at greatest risks are children under 4 years of age, and adults aged 65 or older.

To protect your health when temperatures are very high the California Department of Public Health suggests the following:

Get Plenty to Drink

Water consumption provides you the ability to sweat and cool your body.  Begin consuming water before you begin your work in order to replace the water you will loose through sweat. While working in hot environments you should consume at least three (3) four-ounce glasses of water per hour. Avoid consuming beverages that contain caffeine (tea, coffee, and cola) and alcohol. Avoid consuming very cold drinks.

Stay Cool Indoors   

The best way to beat the heat is to stay in an air conditioned area. If you don’t have an air conditioner, go to a shopping mall or public building for a few hours. A cool shower or bath is also a good way to cool off.

Wear Light Clothing and Sunscreen 

Wear as little clothing as possible when you are at home. Choose lightweight, light-colored, loose-fitting clothing. In the hot sun, a wide-brimmed hat will keep the head cool. If you will be in direct sun, use a sunscreen with a sun protection factor (SPF) of 15 or higher and follow package directions. Reapply every 2 hours while in the sun.

Schedule Outdoor Activities Carefully   

Try to be less active during the late afternoon when it is the hottest part of the day. If you must be out in the heat, plan your activities so that you are outdoors either before noon or in the evening. While outdoors, rest often in a shady area where the sunlight is completely blocked and the area is either ventilated or open to air movement. Never leave kids or pets in a parked car. 

Pace Yourself                                        

If you are not used to working or exercising in hot weather, start slowly and pick up the pace gradually. Take frequent, regularly scheduled breaks. If activity in the heat makes your heart pound or leaves you gasping for breath, stop the activity, get into a cool or shady area, and rest. Especially if you become lightheaded, confused, weak or feel faint.

Use a Buddy System                              

During a heat wave, check on your friends and family and have someone do the same for you. If you know someone who is elderly or has a health condition, check on them twice a day during a heat wave. Watch for signs of heat exhaustion or heat stroke.

High temperatures can cause serious health problems. Know the symptoms of heat-related illness and be ready to help.

Warning:  If your doctor limits the amount of fluid you drink, or if you take water pills, ask him or her how much you should drink when the weather is hot.  If you are on a low-salt diet, talk with your doctor before drinking a sports beverage.