Healthy Eating

Q: Ive heard that California almonds are being irradiated. Does this mean that these...

Answer : Irradiation is one of the possible methods to satisfy a 2007 USDA requirement that raw almonds be pasteurized to prevent foodborne illness...

Q: Weve read that drinking a lot of fruit juice or eating a lot...

Answer : James Joseph, PhD, research physiologist at the Neuroscience Laboratory at Tufts Jean Mayer USDA Human Nutrition Research Center on Aging...

Q: Your March 2009 newsletter discusses obesity, as measured by Body Mass Index (BMI)....

Answer : The easiest way to calculate BMI, especially for the math-phobic, is to enter your height and weight into one of the many BMI calculators...

Q: In your May issue you illustrated the radura sign for food treated by...

Answer : You might want to switch caterers. Trichinosis is caused by ingestion of the Trichinella spiralis parasite, also known as trichina.

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: 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: 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.