• Slow Down: Reduce or eliminate or reschedule strenuous activities until the coolest time of the day.
• Dress for summer: Wear light weight-Light colored clothing to reflect sun heat and sunlight.
• Put less in your inner fires: Foods like meat and other proteins that increase metabolic heat production also increase water loss.
• Drink plenty of water, non-alcoholic and decaffeinated fluids: Your body needs water to keep cool. Drink plenty of fluids even if you do not feel thirsty.
• Spend more time in air-conditioned places: Air Conditioned homes and other buildings markedly reduces danger from the heat. If you can not afford a air conditioner locate a shelter in your community. 
• Don’t get too much sun: Sunburn reduces your ability to dissipate heat.
• Do not take salt tablets: Unless directed by Physician

For additional information: Heat: A Major Killer presentation