Healthy Heart

Nutrition Star Ratings Shift Sales

Nutrition ratings using gold stars next to price labels on grocery shelves might lead to modest but measurable improvements in consumer choices, says a new study. Published in the journal Food Policy, its the most rigorous independent analysis of point-of-purchase nutrition labeling. Because of the availability of data, researchers focused on the Guiding Stars system introduced in 2006 by the Hannaford supermarket chain and now licensed for use in more than 1,800 stores. Compared to…

Q. I am unable to eat chocolate or drink coffee or tea with caffeine,...

ADiane McKay, PhD, a scientist in Tufts HNRCA Antioxidant Nutrition Laboratory, answers: Since carob and chicory are plant-based, they both contribute to our daily intake of phytochemicals. Chicory (Cichorium intybus) is one of the richest dietary sources of caffeic acid (not to be confused with caffeine), while carob (Ceratonia siliqua) is high in tannins, as well as the minerals calcium and potassium. …

Q. I enjoyed your Special Report on food-drug and supplement-drug interactions (May), which states...

A. Our source for this information was the National Library of Medicines MedlinePlus, which explains: Warfarin (Coumadin) is used to slow blood clotting. There are several reports showing that taking glucosamine hydrochloride with or without chondroitin increases the effect of warfarin (Coumadin) on blood clotting. This can cause bruising and bleeding that can be serious. Dont take glucosamine hydrochloride if you are taking warfarin (Coumadin).…

Q. Do you have any information regarding the prickly pear cactus and claims that...

A. Erika Hval, a dietetic intern at Tufts Frances Stern Nutrition Center, answers: The prickly pear cactus, sometimes referred to as the cactus pear (Optunia spp.), has been touted for a variety of health-related benefits from treating diabetes to alleviating alcohol-induced hangover symptoms. Found in Mediterranean and subtropical African and American zones, cactus pear plants are characterized by flattened stems (cladodes) and brightly colored, sweet-tasting fruits. In general, the stems supply high amounts of pectin…

Can Supplement Pills Deliver on Their Promises?

With the US drought predicted to cause food-price increases of up to 5% next year, it might be time to take a harder look at whats in your grocery cart-especially those items that arent really groceries, such as pricey dietary supplements. Nutrition experts agree that its best for generally healthy people to obtain the vitamins, minerals and other nutrients you need from food, not pills.

Healthy Diet and Lifestyle Help Prevent Disability with Aging

Unhealthy behaviors such as inactivity, poor diet and smoking have long been associated with a wide range of chronic diseases and risk of death. But a new study reveals that such lifestyle factors can also affect older adults' risk of disability and loss of independence.

Should You Worry About GMOs?

You can hardly pick up a newspaper these days without reading about the debate over labeling genetically modified (GMO) ingredients in foods. This summer, following the narrow defeat of a GMO-labeling initiative in California, Connecticut and Maine passed labeling legislation that would go into effect if other states follow. On Nov. 5, Washington State voters will decide on a ballot initiative, I-522, The Peoples Right to Know Genetically Engineered Food Act. The Chipotle food franchise recently started identifying menu items with GMO ingredients on its website, and the Whole Foods grocery chain announced it would require GMO labeling in its stores by 2018.

Does Fish Oil Really Raise Prostate Cancer Risk?

Over and over again, youve read in the pages of this newsletter and elsewhere that eating fish like salmon high in omega-3 fatty acids is good for you. Youve seen countless ads touting the similar benefits of fish-oil pills containing those same omega-3s (EPA and DHA). Now suddenly comes a flurry of headlines suggesting a scary downside to these health-promoting omega-3s, at least for men: High Levels of Fish Oil May Boost Risk for Prostate Cancer, Omega-3 Supplement Taken By Millions Linked To Aggressive Prostate Cancer.

FDA: Little Risk from Arsenic in Rice

After testing more than 1,300 types of rice and rice products, the US Food and Drug Administration has concluded that arsenic levels in rice pose no immediate health risk to consumers.

Lost in That Show? Watch the Snacking

The more immersed you are in a TV program or video game, the more youre likely to snack, according to a new study. University of North Carolina researchers tested the snacking behavior of 120 men and women, ages 18-35, while watching different TV programs or playing video games.