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Interventions from local health agencies and doctors can reduce mortality
| The first 150 words of the full text of this article appear below. |
Interest in the impact of weather on human health has grown enormously, largely due to predictions that over the next century temperatures will rise. A report in this week's journal (p 670) indicates that among Europeans any increases in mortality related to heat will be only temporary.1 Other studies, however, in the United States and China have found that there will be a sharp increase in mortality related to heat if the globe warms as expected. 2 3
In some ways the argument is moot because it is clear that heat is
already an important killer in many parts of the world. Weather
variability, rather than heat intensity, is the most important factor
defining human sensitivity to heat.4 People living in areas where summer climates are highly variable are ill adapted to
extreme heat, mainly because it occurs irregularly. Thus, there are
large increases in mortality when an intense heatwave occurs