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Obesity Linked to 1 in 6 Infection Deaths Globally

2/10/2026

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Story summary
  • A Lancet study finds obesity is linked to one in six infection-related deaths globally, with 600,000 of 5.4 million such deaths in 2023.
  • The analysis used data from more than 540,000 participants in Finland and the United Kingdom over 13 to 14 years.
  • Experts say obesity raises hospitalization or death risk from infections by 70 percent and urge policies promoting healthy weight management and weight loss medications to reduce risks.