Q: Besides being kosher for religious purposes, whats the difference between kosher salt and...
Answer : Kosher salt, like most supermarket sea salt, is much coarser-grained than ordinary table salt.
Q: Is it contraindicated for individuals at risk of developing calcium oxalate kidney stones...
Answer : Lesley Stevens, MD, MS, an assistant professor of medicine at Tufts, replies, Vitamin D supplements are not necessarily...
Q: Given the recent reports about bacterial contamination in nuts, does it make sense...
Answer : We checked your nut idea with Helen Rasmussen, PhD, MS, RD, an instructor at Tufts Friedman School and Senior Research Dietitian at the HNRCA Metabolic Research Unit.
Q: A friend in India claims that it is not advisable to eat fruit...
Answer : Tufts Rasmussen and Litvak again have the answer: After eating a meal, all the food we have consumed begins to break down in the stomach...
Q: I have osteoporosis, and my doctor wants me to take 1,000 IU daily...
Answer : Its true that vitamin D can be toxic at extremely high levels and, technically, your total intake would be above the 2,000 IU daily Tolerable Upper Intake Level (UL) ...
Q: Ive noticed that some cereals contain freezedried fruit. How does freeze-dried compare to...
Answer : The practice of freeze-drying foods dates to the ancient Incas, who would set out their crops on the slopes of the Andes, where the foods would freeze and then slowly dry ...
Q: Since calcium and vitamin D strengthen bones and vitamin A weakens bones, why...
Answer : Robert M. Russell, MD, professor emeritus at Tufts Friedman School and former director of the Jean Mayer USDA Human Nutrition Research Center on Aging...
Q: I have read that pomegranate juice interferes with the availability and absorption of...
Answer : You can drink your pomegranate juice whenever you like...
Q: Ive often read in your newsletter that all fats contain about 120 calories...
Answer : The total calories per serving is different between oil and butter because a tablespoon of oil contain a full tablespoon of fat whereas a tablespoon of butter does not.
Q: I enjoyed your Special Report on Food and Your Mood (January 2010), but...
Answer : Tryptophan is an amino acid found in foods including poultry, peanuts and seeds, soy products, dairy, eggs and fish.