Ask the Experts

Q: I read a report recently indicating that all nuts contain monosaturated fat. I...

Answer :All popular nuts contain both types of fat- and the good news is that both mono- and polyunsaturated fat are heart-healthy compared to saturated and trans fats. According to the American Heart Asso ciation, Monounsaturated fats and polyunsaturated fats appear to not raise LDL cholesterol; some studies suggest they might even help lower LDL cholesterol slightly when eaten as part of a low-saturated and trans-fat diet. Each type of nut does differ in its…

Q: I enjoy eating buffalo meat when I am able to buy it from...

Answer : Buffalo (bison) meat is indeed much naturally lower in fat than beef from cattle. Its proportion of saturated, polyunsaturated and monounsaturated fat...

Q: I enjoy Indian food very much and it appears very healthy, with many...

Answer :Ghee-clarified butter, with the milk solids removed-is made by heating unsalted butter to separate the milk solids from the pure butterfat. Although practitioners of Ayurvedic medicine in India claim that ghee has special health properties, some experts argue that the prevalence of ghee in Indian cuisine is actually a contributor to the high rates of heart disease in that country. In any case, Alice H. Lichtenstein, DSc, director of the Cardiovascular Nutrition Laboratory at…

Q: When nutritionists talk about walnuts, do they mean black or English walnuts?

Answer :According to the California Walnut Board, a trade association, the walnuts you buy in stores-and those most commonly touted for nutritional benefits-

Q: I am confused by whether shrimp and other shellfish are good in the...

Answer : The good news for shrimp and other shellfish is that the major dietary factor that raises LDL (bad) cholesterol is saturated fat, not dietary cholesterol...

Q: Your Special Report on aspartame and high-fructose corn syrup (September Healthletter) made me...

Answer :In fact, regular table sugar (sucrose) isnt so different from high-fructose corn syrup (HFCS), which contains either 55% or 42% fructose plus other sugars, primarily glucose. Table sugar is 50% fructose and 50% glucose. Both table sugar and HFCS contain four calories per gram, so if youre counting calories you should limit both sweeteners. …

Q: We live in southern Arizona where citrus trees thrive and own two well-producing...

Answer :According to the Center for Food-Drug Interaction Research and Education, led by Tufts and the University of Florida, most prescription drugs do not show a clinically relevant interaction...

Q: Back in the 1950s, Carlton Fredericks, a popular radio personality, touted the virtues...

Answer : Molasses is a concentrated byproduct of refining sugar cane into table sugar. Black strap molasses comes from the third and final boiling...

Q: In your June 2007 newsletter you reported the recommended AREDS antioxidants combination to...

Answer :Copper is an essential mineral with an established Recommended Dietary Allowance (RDA) of 900 micrograms (0.9 milligrams) per day for adults and a Tolerable Upper Intake Level (UL) of 10,000 micrograms (10 milligrams) daily. (The UL is the maximum daily intake of a nutrient that is likely to pose no risks of adverse health affects for almost all individuals.) According to Jeffrey Blumberg, PhD, director of the Antioxidants Research Laboratory at Tufts Jean Mayer…

Q: My eczema has become worse over the last few years. Are there any...

Answer :Eczema is a chronic skin disorder due to a hypersensitivity reaction-similar to an allergy-in the skin.