The first article:
According to CDC, one-third of U.S. residents are obese, and two-thirds are overweight or obese
The second article:
According to the National Center for Health Statistics, 64.5 percent of adult Americans are overweight or obese.
Now, you might think, “No big deal. They are two different groups giving statistics.”
They are the same organization. The CDC is the same as the National Center for Health Statistics.