An experimental compound repaired a defective alcohol metabolism enzyme that affects an estimated 1 billion people worldwide, according to research supported by the National Institute on Alcohol Abuse and Alcoholism (NIAAA).

The Centers for Disease Control and Prevention (CDC) offers facts about the safety of thimerosal in vaccines against 2009 H1N1 flu.

The American College of Radiology says that imagine scanners give about as much radiation as you get flying in an airplane for two minutes.