Includes bibliographical references (pages [293]-312) and index.
Introduction -- 1. Vitamin D deficiency -- 2. Messing with Mother Nature -- 3. Vitamin D physiology -- 4. The fact -- 5. Is Vitamin D another mistake? -- 6. Are many athletes Vitamin D deficient? -- 7. Does Vitamin D prevent athletic injuries? -- 8. Seasonality of physical fitness -- 9. Is athletic performance associated with Vitamin D levels? -- 10. Deos Vitamin D have a direct effect in growing muscle fibers? -- 11. Do Vitamin D supplements improve physical performance? -- 12. Does Vitamin D-producing ultraviolet light improve athletic performance? -- 13. Which diseases are associated with Vitamin D deficiency? -- 14. Vitamin D and skin color -- 15. How do I know if I need more Vitamin D? -- 16. How should I get Vitamin D? -- 17. Vitamin A will hurt but other nutrients may help -- 18. Conclusions -- Appendix 1: How does Vitamin D work? -- Appendix 2: Vitamin D toxicity