Dr. Walter Willett is a professor of Epidemiology and Nutrition in the Harvard T.H. Chan School of Public Health in Cambridge, Massachusetts.
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24:25
From Splenda to Aspartame: Are the Artificial Sweeteners We Use Hurting Us?
The science behind the WHO’s declaration of aspartame as a “possible carcinogen,” and the effects of artificial sweeteners on human health.
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16:46
After Decades of Dietary Warnings, Eggs Make a Comeback
After decades of warnings, the advisory committee behind the U.S. government’s dietary guidelines drops its prohibition on cholesterol.