Jan. 28 (UPI) -- The prevalence of obese adults in the United States more than doubled between 1990 and 2022 and is expected to increase over the next decade, an analysis of public health data released Wednesday indicates. The study, published in the health journal JAMA, found that 107 million American adults -- 42.5% of the adult population -- were living with obesity. That was an increase from 34.7 million adults in 1990, or 19.3% of the adult population. The figure is projected to increase