Is new ‘balloon’ no-surgery weight-loss procedure for you?

Up to a third of the population is considered moderately obese, with a body mass index (BMI) between 30 and 40. Mayo Clinic doctors were the first in the U.S. to implant a new weight-loss device, a balloon, for those who need medical help, but don’t qualify for bariatric surgery. First results show it has the potential to benefit millions of people.