Monthly Archives: July 2013

The 2 Sigma Scandal of Medical Science

(Sigma is the Greek letter σ) Medical science and especially epidemiology treat 2-sigma as a kind of ‘gold standard’. This article attempts to explain what that means and why it is a scandal. There has always been a magical appeal … Continue reading

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The Alice in Wonderland World of Risk Factor Epidemiology

  (Photo from From Wikipedia: “In epidemiology, a risk factor is a variable associated with an increased risk of disease or infection.” Generally it is a disease or infection which results in death. Lung cancer for example. The determination … Continue reading

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