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Q. I have been told I shouldn’t eat nuts because of my diverticulosis. Is...

A. Alicia Romano, MS, RD, a dietitian at the Frances Stern Nutrition Center, answers: “Nuts are healthy foods that are good choices to incorporate into your diet for the long term, given their general healthy nutrient profile. They are a plant source of protein and naturally high in fiber and healthy fats (omega-3 and polyunsaturated […]

Q. Should I buy white peaches/nectarines, or yellow? Are purple and yellow carrots a...

A. Jeffrey B. Blumberg, PhD, a professor at the Friedman School and an expert on dietary bioactive components, answers: “The color of a plant food is a clue to which health-promoting phytochemicals it contains: ➧ Blue and purple (e.g.: blueberries, plums, black beans, eggplant) indicates the presence of anthocyanins ➧ Green colors (e.g.: asparagus, broccoli, […]

Nutrition Lessons from a Global Pandemic:

Here at Tufts Health & Nutrition Letter we strive to provide you with the latest, science-based health and nutrition information to help contribute to your health and well-being. The COVID-19 pandemic has confirmed that much work remains to be done. According to an analysis of U.S. deaths from February and March of 2020, 78 percent […]
Peppermint Oil

Q. Can peppermint oil help my irritable bowel syndrome?

A. Judith C. Thalheimer, RD, LDN, managing editor of Tufts Health & Nutrition Letter, answers: While a handful of small studies suggested that peppermint oil capsules may help lessen abdominal pain in people with irritable bowel syndrome (IBS), the results of a larger randomized controlled trial do not agree. The study, published in 2019 in […]

Q. Is it true that percentage intake of macronutrients (protein, CHO, fat) should be...

A. Lauren McAvoy, a dietetic intern at Tufts Medical Center, answers: “While there are claims that individuals with different body types metabolize nutrients differently, there is currently no scientific evidence to support this concept. An individual’s fat distribution, specifically around the midsection, is associate with certain health outcomes. For example, individuals with an ‘apple’ shaped […]
Food Expiration

Q. Do I need to throw out food as soon as the printed expiration...

A. Judith C. Thalheimer, RDN, LDN, managing editor of Tufts Health & Nutrition Letter, answers: “Those ‘sell by’ and ‘best by’ dates on packages are not actually expiration dates. Food product dating is voluntary and represents the manufacturer’s best guess as to when the product may no longer be at peak quality. Not being at […]

Q. I have decided to follow a vegan diet. Do I need to take...

A. Claire Cheng, a dietetic intern at the Tufts University Frances Stern Nutrition Center answers: “A vegan diet can be nutritious, environmentally friendly, and consistent with overall good health. Vegans do not consume any animal products, including eggs or dairy (and even honey). There are some key nutrients of concern for under-consumption for those following […]

Q. When buying a salad dressing, pasta sauce, or any other product, is it...

A. Hannah Cai, a dietetic intern at the Frances Stern Nutrition Center, answers. “It is important to limit sodium and added sugar intake for health. The Dietary Guidelines for Americans recommends limiting daily sodium intake to 2,300 milligrams (mg) and added sugar intake to less than 10 percent of total calories (approximately 50 grams of […]

Q. Can you tell me what biotin is and how much people need?

Q. Can you tell me what biotin is and how much people need?

Q. What is chlorella, and can it really do any of the things its...

Q. What is chlorella, and can it really do any of the things its advertised to do?