The article, published in the Journal of Obesity, looked at the long-term weight gain of more than 13,800 U.S. adults — a rare data point unearthed in obesity research. They found that more than half of American adults in the study gained 5% or more body weight over a 10-year period. What’s more, more than a third of American adults gained 10% or more body weight and almost a fifth gained 20% or more body weight.

https://www.eurekalert.org/news-releases/956907