Researchers find bad news motivates many to quit tobacco

Suggestions to help keep it clear

And United States is home to highest proportion of world's obese people, researchers add

But maker of product says patient could have inhaled particles many other ways

Discrepancy seen between their personal views, what they order for patients, researchers report

Expert warns against trying for a pre-summer glow

Findings could lead to noninvasive dental treatments, report authors of animal study

Going 3 days without Plavix triples odds of heart attack within a month, researchers say

Study suggests they may be three times more likely to develop brain disease than more trusting folks

Researchers found older white trauma patients were 20 percent more likely to die