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It's all too common for people to go on weight loss diets but give up because their appetite is surging. Sadly, many people regain much of the weight theyve worked so hard to lose. It may not be due to weak willpower, though. Rather, your body may be producing powerful signals to tell you to eat. How you go about weight loss could make an important difference.

Eating foods high in omega-3 fats may aid oral health. Scientists reviewed 11 human studies (observational and trials) on omega-3 fat intake and periodontal (gum) disease.

If you sometimes suffer a burning sensation behind your breastbone, you're far from alone. An estimated 44% of American adults suffer heartburn at least once a month, and about 20% have a serious form called gastroesophageal reflux disease (GERD).

Don't count on the "five-second rule" to keep dropped food free of bacteria. An exhaustive test of the notion that food touching the floor for no more than five seconds is still safe to eat debunked it with more than 2,500 measurements.

An important nutrient for reaching old age free of disease and disability might surprise you. According to a new Australian study, it's dietary fiber - a nutrient that, by definition, you don't even digest. In its path through your body, however, fiber is associated with reduced risk of cardiovascular disease, type 2 diabetes and some cancers.

Bored with broccoli? Had it up to here with green beans and asparagus? Seen enough carrots and peas to last a lifetime? Maybe you need to branch out a little in the produce aisle."Some often-overlooked vegetables deserve a second glance for their nutritional benefits," says Jeffrey B. Blumberg, PhD, Tufts professor and senior scientist at the HNRCA Antioxidants Research Laboratory. He and Helen M. Rasmussen, PhD, RD, a Friedman School instructor and senior research dietitian at the HNRCA, have put together a list of 10 nutritious veggies too often omitted from grocery carts.

There's good news at your local grocery store. "You should walk into a supermarket with a very positive attitude," says Alice H. Lichtenstein, DSc, director of Tufts' HNRCA Cardiovascular Nutrition Laboratory and executive editor of the Tufts Health & Nutrition Letter. "The availability of healthy and affordable foods has greatly expanded in recent years. There are a lot of options now throughout the store that are really good choices."

Artificial trans fats, in the form of partially hydrogenated oils, once hailed as a healthy alternative to butter and shortening, will all but disappear from the US food supply by June 2018. Following up on a preliminary 2013 ruling, the US Food and Drug Administration announced this summer that artificial trans fats would no longer be considered generally recognized as safe (GRAS) The agency gave the food industry three years to reformulate products without artificial trans fats or to petition for specific, limited uses, such as in sprinkles atop ice cream.

Hardly a day goes by, it seems, without the news media reporting some food thats been found to be bad for you. One day its processed meats; the next, its baked goods made with trans-fatty acids. Faced with this litany of donts, you can start to wonder whether any food is OK to eat.

A. Ashley Abbott, a dietetic intern at Tufts FrancesStern Nutrition Center, replies: Artificialsweeteners are low-calorie sweeteners that willnot raise your blood sugar. Artificial sweetenersare considered free foods because they contain kless than 20 calories and less than 5 grams of carbohydrateon a diabetes exchange. They can beused in place of sugar to provide a lower-calorie,lower-carbohydrate food or beverage.Artificial sweeteners may be useful in bloodsugar and weight control because they are muchsweeter than regular sugar, so…