With less than a month before students head back to school, it’s time for football players and band members to start daily practice. That, as well as the sweltering heat, is a sure sign that summer is here. Hopefully, you will take the right precautions to keep your body cool and hydrated, and won’t let the heat sneak up on you.

The first rule of protecting yourself against the heat is to drink plenty of water. Most people rely on thirst to tell them to drink, but if you wait until you’re thirsty, you have already began to get dehydrated. You will need to drink until the thirst is...

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