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Vitamin D Deficiency: Key Signs and Health Risks Revealed

10/19/2025

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Story summary
  • Vitamin D deficiency can manifest as exhaustion, sweating, and persistent joint or muscle pain.
  • Fatigue is often linked to low vitamin D levels and can improve with supplementation.
  • Vitamin D is crucial for bone health, aiding calcium absorption and supporting the immune system.
  • Newborns may show a sweaty forehead signaling possible deficiency.
  • Prolonged deficiency raises risks of osteoporosis in adults and rickets in children.