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Obviously, the excessive presence in the sun is not harmless: it's rays can cause significant skin burns, overheating, sunlight and heat stroke. Special risk weakened, overwrought people suffering from cardio-vascular disease, thyrotoxicosis, obesity. It is easy to overheat the children and the elderly, thermoregulation because they are not sufficiently effective. Development of heat shock not only to contribute to the high temperature and humidity, but too tight, not allow air to clothing, physical stress, alcohol, overeating.

The first signs of heatstroke - headache, nausea, weakness, dizziness. Often vomiting, a dry mouth, severe thirst, a person becomes crimson. Frequent pulse and breathing, people complained about the unpleasant sensation of the heart. In mild shock body temperature rises slightly - to 37.5, with more severe - up to 39-41 degrees.

The result of a long stay in the sun bareheaded be sunstroke. The first signs are the same as that of a thermal shock, and then joins broken, throbbing noise in the ears, hands and legs tremble. Face red, sharply increasing heart rate and respiration, temperature may rise to 38-40 degrees. from Olympmed.com
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