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Just a half hour after you scarf down a salty snack, clear changes can be seen in your arteries, a new study shows.  Researchers found that salt-laden foods  impair the ability of blood vessels to widen for up to two hours.

For years, dieters have been told that the path to weight loss begins with a big breakfast. But now a new study suggests that the only thing a big breakfast does is lard on more pounds.

Letting consumers know exactly how many calories are in their food might do little to change their eating habits, a new study suggests.

Weight loss may have an unwanted side effect, according to a new study in the journal Nature: It may send a flood of environmental pollutants into the bloodstream.

Women who eat more than three servings of fish per week are less likely to experience a stroke, a new study suggests.

NEW YORK (Reuters Health) - People drinking water naturally contaminated with high levels of arsenic may benefit from eating more radishes, sweet potatoes and other similar plants, a new study finds.

People who live in the South's stroke belt were 30 percent more likely to eat two or more servings of fried fish every week than those living in the rest of the country, a new study says.

Even in your elder years, eating healthy foods can help you live longer, a new study suggests.

Girls, but not boys, who walk or bike to school instead of getting a ride perform better in tests of verbal and math skills, according to a new study of teens living in Spanish cities.

Parents hoping to keep their kids active often sign them up for sports, but a new study finds that this may not be enough.

Dieters often struggle to keep off the pounds they've lost, and a new study involving mice offers a possible explanation. Dieting may change how the brain responds to stress, so that the next time dieters feel frazzled, they eat more, researchers say.

According to a new study, women who earn more than their husbands are 40 percent more likely to get divorced than women who earn less than their spouse. TODAY’s Amy Robach discusses the study with a relationship and financial expert. (TODAY show)

A new study of long-married couples finds that a person's  individual happiness is closely tied with that of their spouse.