Healthy Eating

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: 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...

Green Apples VS. Red Apples

When you compare the nutrients in green apples (including Granny Smith) versus red apples (including Red Delicious and Royal Gala), the differences are minimal. They all provide the same amount of fiber and vitamin C. However, the green varieties tend to be slightly lower (about 10%) in both calories and carbohydrates, while the red varieties tend to be higher (about 50%) in beta carotene-presumably due to their color.

Q: Is there any value to drinking cactus juice?

Answer: There may be benefits to consuming cactus- which is, after all, a plant-and people have been eating prickly pear cactus pads and syrup for centuries.

Q: Is there any food value left in the parboiling water used to blanch...

Answer : A Natalie Faella, a dietetic intern at Tufts Frances Stern Nutrition Center, answers: I agree, it does seem like a waste to just toss the water left over after boiling vegetables.

Which is Healthier: Cooked or Raw Apples?

Diane McKay, PhD, a scientist in Tufts HNRCA Antioxidant Nutrition Laboratory, answers: Like most foods, cooking apples will tend to decrease the vitamin C content...

Q: Are baked potatoes bad for you? I eat them for the potassium, because...

Answer : Alice H. Lichtenstein, DSc, director of Tufts HNRCA Cardiovascular Nutrition Laboratory, says that baked potatoes are one potential option to increase the potassium...

Q: How long do fresh, uncooked fruits and vegetables maintain their nutrients when stored...

Answer : ADiane L. McKay, PhD, an assistant professor at Tufts Friedman School, answers: In general, produce retains more of these nutrients when stored in the refrigerator ...

Q: I am a resident in a retirement home. One of the other residents...

According to Susan B. Roberts, PhD, director of Tufts HNRCA Energy Metabolism Laboratory and author of The I Diet www.myidiet.com, There is really nothing scientifically supporting this idea.

Q: Are the anthocyanidins and other strongly colored phytochemicals in fruit still present in...

Answer : Jeffrey B. Blumberg, PhD, director of Tufts HNRCA Antioxidants Research Laboratory, replies: According to the USDA Database for the Flavonoid Content of Selected Foods, jams, jellies...