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Influenza and coronary heart disease

Every good statistician knows that correlation does not imply causation. Just because two things appear linked does not mean they are. However, with historical data we often don't have the luxury of carrying out controlled, scientific experiments to see if A really does cause B.

31 August 2008 Written by: Stephen RichardsTags: influenza, CHD, mortality projections, Spanish influenza pandemic, ICA, stress test, cause of death