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The Importance of Public Health Epidemiology
25 years ago, scientists did some incredible epidemiological work. They discovered that babies who lay on their front were more likely to suffer this terrible illness. And they encouraged parents to put their babies to sleep on their back. Good epidemiology saved thousands of lives because the countries that implemented that advice went down by 78%. So when we look currently, when you look at the epidemiological science on nutrition and health, heart disease, type two diabetes, colon cancer, cluster around meat consumption in just the same way that cholera clustered around the Broad Street pump.