Ask the Experts

Q. Why can’t I find vitamin C on most Nutrition Facts labels? Who decides...

A.  Judith C. Thalheimer, RD, LDN, managing editor of Tufts Health & Nutrition Letter, answers: “The U.S. Food and Drug Administration (FDA) regulates the Nutrition Facts label on packaged foods and drinks. This label is required on all packaged foods, whether they are made in the U.S. or imported from other countries. It is based […]
Omega-6 fatty acids are a healthy choice.

Q. Do omega-6 fatty acids cause inflammation?

A. Dariush Mozaffarian, MD, DrPH, dean of the Friedman School and editor-in-chief of Tufts Health & Nutrition Letter, answers. “It has been clear for...
This newsletter is careful to indicate when studies show cause and effect—and when they don’t.

Q. Is it possible to get the recommended number of fruit and vegetable servings...

A. Judith C. Thalheimer, RD, LDN, managing editor of Tufts Health & Nutrition Letter, answers: “Absolutely! A good rule of thumb is to go...
Unlike many sources, this newsletter is careful to indicate when studies show cause and effect—and when they don’t.

Q. This publication sometimes writes that there is “no clear evidence” about something when...

A. Dariush Mozaffarian, MD, DrPH, dean of the Friedman School and editor-in-chief of Tufts Health & Nutrition Letter answers: “While I cannot address your...
Consuming nutrients from foods and beverages (including those that have been fortified or enriched) instead of supplements greatly reduces the risk of getting potentially harmful excessive amounts.

Q. How are nutrients in fortified or enriched foods different from nutrients in dietary...

A. Alice H. Lichtenstein, DSC, Gershoff professor of nutrition science and policy at the Friedman School and executive editor of Tufts Health & Nutrition...
Good nutrition can help prevent and treat some conditions associated with the worst COVID-19 outcomes.

Q. I know a healthy diet can help prevent some chronic diseases. Can good...

A. Alice H. Lichtenstein, DSc, Stanley N. Gershoff Professor of Nutrition Science and Policy at the Friedman School and executive editor of Tufts Health...

Q. I do my best to keep up with the latest nutrition advice, but...

A. Judith C. Thalheimer, RD, LDN, managing editor of Tufts Health & Nutrition Letter, answers: “There are several factors that lead to confusion around...
The health-promoting compounds in cherries are not unique, but it can’t hurt to include them in a healthy dietary pattern.

Q. I have heard that cherries are good for arthritis. Can drinking cherry juice...

A. Judith C. Thalheimer, RD, LDN, managing editor of Tufts Health & Nutrition Letter, answers: “Anecdotal evidence suggests eating cherries or drinking cherry juice...
Fiber is found naturally in a wide array of foods. Added fibers in processed foods may not offer the same health benefits.

Q. I’ve noticed that a lot of food packages boast the product has extra...

A. Nicola McKeown, PhD, an associate professor at the Friedman School, answers: “Dietary fiber has a role in helping to lower blood glucose and...
A well-nourished population would have been less severely impacted by COVID-19. Personal and policy changes can help us be better prepared in the future.

COVID-19, Nutrition, and You: Lessons from a Pandemic

The COVID-19 epidemic laid bare some stark realities about nutrition in the United States: our food system is fractured, and the resulting poor nutrition...