Science writers are giving a tour of an electromagnic environment chamber during a tour of the U.S. Food and Drug Administration (FDA) headquarters in Silver Spring, Maryland, November 4, 2009. U.S. health officials unveiled plans to fight avoidable injuries from medication errors or misuse, a problem that harms hundreds of thousands of people each year and can be deadly. Reuters Pictures logo Reuters Pictures 27 months ago

Science writers are giving a tour of an electromagnic environment chamber during a tour of the U.S. Food and Drug Administration (FDA) headquarters in Silver Spring, Maryland, November 4, 2009. U.S. health officials unveiled plans to fight avoidable injuries from medication errors or misuse, a problem that harms hundreds of thousands of people each year and can be deadly.