Grappling with blood pressure that is slightly elevated? Eating raisins regularly may offer a significant blood pressure benefit, says the first controlled research to study the dried grapes.

At least 90 percent of Americans consume more than the daily recommended salt intake, a leading contributor to high blood pressure. Most aren't even checking the sodium content of their favorite foods.

The obesity epidemic especially afflicts low-income people - who are also less likely to receive good health care. But at least one experimental program offers some positive results.