A new type of MRI (magnetic resonance imaging) that doesn't use a contrast agent appears better at detecting what's really cancer and what's likely just a harmless lesion, researchers report.
Obesity and high blood pressure may play a much greater role in sudden cardiac arrest among young people than previously thought, a new study suggests.
You already know that smoking causes lung cancer. But tobacco use can lead to other major health problems, too, experts warn.
Flu continues to ravage the United States in one of the worst flu seasons in recent years. And the ineffectiveness of this year's flu vaccine is partly to blame.