Correlations and milk

Another example of the importance of understanding the relationship between correlation and causation.

In a study of more than 2,700 children aged one to six, Toronto researchers found that those who drank whole milk had a body mass index score almost a full unit lower than kids who drank one per cent or two per cent milk.That’s comparable to the difference between having a healthy weight and being overweight, said Dr. Jonathon Maguire, a pediatrician at St. Michael’s Hospital who led the study.

Did drinking whole milk make the kids thinner, or are heavier kids drinking low-fat milk because they are heavier?

Source: Kids who drink whole-fat milk are leaner, study finds – Macleans.ca

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