Child Safety Week is Sept. 19 - 25, and it's no small cause: Car crashes are the leading cause of death for children 3 to 14 years old, and 2010 is on course to be a record-breaking year for the number of children who die from heat-stroke in parked cars.

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Air-conditioning is scarce, though temperatures exceed 110 degrees (giving this reporter heat stroke--twice).

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"Heat-related illness such as heat exhaustion or heat stroke are a real threat, " the National Weather Service said in issuing an excessive heat warning through Sunday for eastern Missouri, including St.

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The problem is expected to be more acute in sprawling so-called mega-cities in poor countries, which have more difficulty informing people about how to prevent heat stroke and where infrastructure is lacking.

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In the other studies, there was no evidence of adverse effects on kidney and liver function, no reports of light-headedness or loss of consciousness, no evidence of fluid or electrolyte loss that might contribute to heat stroke.

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The lack of any significant let up in the blistering conditions is a concern, authorities say, because the effects of heat can be cumulative -- so the longer you experience it, the more likely you are to experience conditions such as heat stroke, dehydration and the like.

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