The study, published online March 18 in the journal The Lancet, was conducted in part by the eminent epidemiologist Sir Richard Peto of the University of Oxford.

CNN: Obesity can shorten lifespan up to a decade

Sir Richard Peto, the renowned British statistician who conducted an analysis showing "no credible evidence" that the cholesterol medicine Vytorin causes cancer, defended himself in a sharply worded letter to congressmen investigating the medicine.

FORBES: Magazine Article

But, at the same time, they presented an analysis by Oxford University's Sir Richard Peto, who argued there is "no credible evidence" of a link between the active ingredient in Vytorin and Zetia and cancer.

FORBES: Magazine Article