Two overweight bellies touching A series of new studies paint a stark picture of the impact of obesity and obesity-related complications on health care costs.

New research suggests that approximately three-quarters of total obesity-related health care costs are accounted for by the 20% of highest-cost cases.

That determination is based on a series of five studies recently presented at the European Congress of Obesity in Maastricht, Holland. The studies spanned an eight-year period ending in 2020 and included 28,583 people living with obesity in the United States. Three cohorts were formed based on BMI: Class I (between 30 and 35), Class II (between 35 and 40), and Class III (more than 40).

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