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sweating. So replenish fluid levels by drinking cool water — immediately. Then drink an extra quart or two over the next 24 hours.
Heat cramps
Heat cramps are painful muscle spasms that occur after vigorous exercise in the heat. The exercise produces heavy sweating and the sweating causes an imbalance in salt, or electrolytes, and a loss of water in muscles.
Again, stop exercising, sit down in a cool spot, and drink cool water.
See HEAT, p. 12
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