When Obesity Meets Infection Risk
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By
February 10, 2026
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4 min
A comprehensive study highlights that adults with the highest body mass index (BMI) face nearly threefold increased risk of infection-related hospitalization and mortality, emphasizing obesity's significant role in global infection-related deaths. Analyzing data from over 540,000 adults, researchers found class III obesity linked to severe infection risks, with obesity accounting for 8.6% to 15% of infection-related deaths over recent years. Participants were followed through national registries, and findings were robust across various demographics and health profiles.
1. Class III obesity triples the risk of infection-related hospitalization and death.2. Obesity linked to 8.6% to 15% of infection-related deaths globally.3. Study analyzed data from over 540,000 adults.4. Strongest associations found with skin and soft tissue infections.5. Weight loss from obesity can moderately reduce infection risk.6. A comprehensive assessment included various demographic factors.7. Participants were monitored through national hospitalization registries.8. Study highlights the global health implications of rising obesity rates.
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