How Many Calories in Your Fast-Food Meal? Guess Again

People who eat at fast-food restaurants are consuming significantly more calories than they realize -- and teens are the worst offenders, a new study found. "Teens underestimate the number of calories in their meals by as much as 34 percent, parents of school-age children by as much as 23 percent, and adults by as much as 20 percent," study lead researcher, Dr. Jason Block, said in a news release from the Robert Wood Johnson Foundation, which helped fund the study. http://www.nlm.nih.gov/medlineplus/news/fullstory_137139.html