U.S. Obesity Rate May Hit 42% by 2050
Researchers say the more obese people you know, the greater your chances of gaining weightBy Kathleen Doheny HealthDay Reporter
FRIDAY, Nov. 5 (HealthDay News) -- Despite reports that the rate of obesity among U.S. adults might be slowing down, a new projection from Harvard University and MIT suggests otherwise.
Instead, using a sophisticated model that views obesity like an infectious disease, the team predicts that adult obesity rates will rise for another 40 years before leveling out. And before reaching that plateau, 42 percent of adults will be obese, the team predict.
For the last few years, the U.S. Centers for Disease Control and Prevention has placed the adult obesity rate at 34 percent, with another 34 percent of Americans overweight but not obese.
"It's definitely true that the percent of obese people has slowed down," said study author Alison Hill, a graduate student in Harvard's Program for Evolutionary Dynamics, Biophysics Program. "But our results suggest it is not the end."
The study is published this week in the journal PLoS Computational Biology.
The prediction is a ''best-case'' scenario, said Hill and Dr. David Rand, a research scientist at Harvard who was also involved in the study. That means the obesity rate might rise even higher than 42 percent.
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