Ask the expert: Vitamin D and chronic disease

The Expert: Dr. Edward Giovannucci Professor of Nutrition and Epidemiology, Departments of Nutrition and Epidemiology, Harvard School of Public Health 1. There’s been a lot of news lately about vitamin D’s role in prevention of cancer, heart disease, and other chronic diseases. What do we know today—and what questions remain? Vitamin D has a well-established role […] Continue reading

Ask the expert: Controlling your weight

 The Expert: Dr. Walter Willett Fredrick John Stare Professor of Epidemiology and Nutrition, Departments of Nutrition and Epidemiology, and Chair, Department of Nutrition, Harvard School of Public Health   1. How much control do we have over our body weight? And how much of our weight is controlled by our genes? Genes do play a role […] Continue reading

Faculty in the Media 2007

Changes to Diet and Lifestyle May Help Prevent Infertility from Ovulatory Disorders — press release of October 31, 2007 featuring Walter Willett and Jorge Chavarro Obesity Nears Smoking As Cancer-Causer — coverage from CBS news, October 31, 2007 featuring Walter Willett Weight Gain Between First and Second Pregnancies Associated With Increased Odds of Second Child […] Continue reading

Low-Fat Diet Not a Cure-All

Results from large, long Women’s Health Initiative Dietary Modification Trial shows no effect on heart disease, breast cancer, colorectal cancer, or weight. The low-fat, high-starch diet that was the focus of dietary advice during the 1990s-as reflected by the USDA food guide pyramid-is dying out. A growing body of evidence has been pointing to its […] Continue reading