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One-half of the older men in 10 European countries were overweight in 2004; only one-third of men qualified as having normal weight. More...

This Population Bulletin explains the terms, methods, and materials scientists use to study the health of populations, as well as the historical underpinnings of the modern-day science of epidemiology. Epidemiology provides a unique way of viewing and investigating disease and injury. (BUL54.4, December 1999)

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