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dietary recommendations

August 12, 2014
Observational research takes a snapshot of a population, and looks to see whether two things occur together with a high frequency - like smiling and happiness. While less difficult and less expensive - and therefore much more popular - this type of research can only generate hypotheses about cause and effect. In this example, does smiling cause happiness? Most of our dietary guidance is based upon this kind of research. Illustration.
What should we eat to stay healthy? Why experts actually have no idea.
August 12, 2014 - 2:58pm