Q: How high should the blood level of vitamin D be? I take 3,500...
Answer : Bess Dawson-Hughes, MD, director of Tufts HNRCA Bone Metabolism Laboratory, answers: Current recommendations are based on the effect of vitamin D ...
Q: I read some years ago that one of the biomarkers of healthy aging...
Answer : Youre recalling the book Biomarkers: The 10 Determinants of Aging You Can Control by Tufts William Evans, PhD, and Irwin H. Rosenberg, MD.
Q: Is it true that heating food in a microwave oven destroys most of...
Answer : In fact, says Irwin H. Rosenberg, MD, editor of the Tufts Health & Nutrition Letter, the opposite is true...
Q: I keep seeing new products labeled “gluten-free.” I understand this is important for...
Answer : Robert M. Russell, MD, emeritus professor at the Friedman School, replies, "The answer is no."
Q: Does instant coffee have the same health benefits as brewed coffee (Coffee Drinkers...
Answer : Jeffrey B. Blumberg, PhD, director of Tufts HNRCA Antioxidants Research Laboratory, answers: "All plant food constituents are complicated but perhaps a bit more so for coffee, as how it is prepared can markedly affect its composition...
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...