First, do not drink cold water. She does not quench thirst, takes out five minutes along the five minutes along with the sweat, having taken salt with him. Drink tea or savory kvass. Everything is clear about sweet sodes: the more you drink, the more I want.
If you leave the house in the heat, do not make sharp movements, behave with dignity. Go smoothly, move on the shadow side of the street. Always.
Ice is good. Brew a liter of fastening green tea (any will fit). When he cooled, throw a little honey, lemon and mint there. This is drinking with ice. Not only tasty, but also useful.
Main focus: "Antisarf" or "Japanese air conditioning". On Japanese engravings or in Japanese cinema, you can often see people in white handkerchiefs on the neck. It is it. This is a brilliant thing, real. Just try. Take a white pure handkerchief, soak in cold water, tackle on the neck. When the handkerchief dries, soaked again. The facilitating effect comes literally in a couple of minutes.
Well, the main thing. If you go somewhere in the heat, then after each campaign, after each walk, wash the foot and the ankles with cool water. There is a lot of biologically active points, it is pleasant and useful.
If you can - share sleep in half. Arrange yourself a siesta at the hottest time. Well, of course, no alcohol in the sun.