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Sunlight avoidance and fracture risk: population study

Large prospective cohort (n=500,000) demonstrating sunlight avoidance increases fracture risk by 26%, mediated by vitamin D insufficiency.

Fracture Risk

  • Sunlight avoidance: 26% higher fracture risk
  • Vitamin D <20 ng/mL: primary mediator
  • Dose-response with UV exposure

Recommendations

15-30 min daily sun exposure or vitamin D supplementation.

Outcomes

  • Fracture Risk
    Events: /
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