Ask the Experts

Q: Does strontium help strengthen bones, and if so what are the sources of...

Answer : Although strontium is the 15th most abundant element on the planet, its found more in rocks than in food.

Q: Is exercise safe for people with chronic obstructive pulmonary disease (COPD)?

Answer : Rebecca Seguin, PhD, an adjunct assistant professor at Tufts Friedman School and an assistant professor at Cornell University, replies...

Q: How many cloves of garlic is acceptable for a person to eat in...

Answer : Garlic can thin the blood (reduce the ability to clot) in a manner similar to aspirin. You should use garlic with caution...

Q: How does taking supplements differ from eating foods fortified with calcium?

Answer : Bess Dawson-Hughes, MD, director of Tufts HNRCA Bone Metabolism Laboratory, says it depends on bioavailability...

Q: Im a 70-year-old male whose usual exercise is weight training with relatively heavy-duty...

Answer : Roger A. Fielding, PhD, director of Tufts HNRCA Nutrition, Exercise, Physiology and Sarcopenia (NEPS) Laboratory, answers...

Q: After being diagnosed with atrial fibrillation, I was put on warfarin, a blood...

Answer : Sarah Booth, PhD, director of Tufts HNRCA Vitamin K Laboratory, replies, "I would recommend that you work with your healthcare provider...

Q: Youve reported on studies that processed meat should be limited. Does canned chicken...

Answer : The jury is still out on the health effects of sodium nitrate and sodium nitrite in processed meats...

Q: If youre worried about developing diabetes and keeping blood-sugar levels low, is it...

Answer : Nicola McKeown, PhD, director of Tufts Nutritional Epidemiology Program, answers: "The first goal would be to keep within a healthy weight...

Q: Im a healthy 71-year-old man with no heart or cholesterol problems. I eat...

Answer : Alice H. Lichtenstein, DSc, director of Tufts HNRCA Cardiovascular Nutrition Laboratory, says the answer isnt as simple as how many eggs are too many eggs.

Q: Is the magnesium content of nuts higher or lower if they are raw...

Answer : Jeffrey Blumberg, PhD, director of Tufts HNRCA Antioxidants Research Laboratory and an expert on the nutritional value of nuts...