Ask the Expert: Does being overweight really decrease mortality? No!

 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   A recent JAMA study got major media attention when it claimed that grade 1 obesity (BMI 30-<35) was not associated with any greater mortality, than being normal weight … Continue reading “Ask the Expert: Does being overweight really decrease mortality? No!”

Ask the expert: Sugary drinks and genetic risk for obesity

The Expert: Dr. Lu Qi   Assistant Professor in the Department of Nutrition, Harvard School of Public Health We asked Dr. Lu Qi of the Harvard School of Public Health to explain the importance of considering genetic factors when approaching your diet. His recently published study suggests a link between sugary drinks and a genetic … Continue reading “Ask the expert: Sugary drinks and genetic risk for obesity”

Ask the expert: Omega-3 fatty acids

The Expert: Dr. Frank Sacks Professor of Cardiovascular Disease Prevention, Department of Nutrition, Harvard School of Public Health 1. What are omega-3 fatty acids, and why should I make sure to include them in my diet? Omega-3 fatty acids (also known as n-3 fatty acids) are polyunsaturated fatty acids that are essential nutrients for health. We … Continue reading “Ask the expert: Omega-3 fatty acids”

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: Vitamin D and chronic disease”

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 “Ask the expert: Controlling your weight”