Vitamin D " from the sun, from our diet, and from dietary supplements" keeps a range of chronic and life-threatening diseases at bay, from osteoporosis and osteoarthritis to cancer of the breast, prostate and colon; diabetes; multiple sclerosis; asthma; cystic fibrosis; Crohn_s disease; scleroderma; rickets; cardiovascular disease; and many others.

This wide-ranging volume spotlights the latest research into how and why this much-maligned and misunderstood vitamin is finally coming into its own, and how to gain the greatest benefits from it. Learn:

-How and why vitamin D is crucial to helping the body absorb calcium and phosphorous, and to strengthening bones.
-How the news media often exaggerate the dangers of sunshine and downplay the benefits of vitamin D from the sun and other sources.
-How much sun exposure and/or vitamin D supplementation is needed by people of all skin types.
-Why older adults are especially prone to vitamin D deficiency and how they can best address this for optimal health.