How Much Sunshine Is Needed For Your Bones?
Ask Vivian by Vivian Goldschmidt, MA .

How Much Sunshine Is Needed For Your Bones?

Q: Regarding sunshine and vitamin D… just how much skin needs to be exposed in the 20 minutes a week for the sun’s rays to give you the amount of vitamin D needed?

A: Your question is a very good one indeed. While uncovered skin will absorb the maximum amount of ultraviolet rays, research shows that they pass through some fabrics such as open-weave fabrics, lightweight knits, and nylon stockings. Also, t-shirts worn while swimming allow ultraviolet rays to pass through, and ultraviolet rays even penetrate water, but lose half their intensity.

Fortunately, these rays are very stubborn: they are present on hazy days and bounce off bright surfaces, such as snow, pavement or sand.

So the main thing is to spend a little time outdoors and have fun in the sun.

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Vivian Goldschmidt, MA

Vivian Goldschmidt, MA, is dedicated to sharing her health secrets through her books and publications. Vivian’s philosophy is simple: Armed with the true knowledge, anyone can achieve optimal health – and it’s lot simpler than we’re made to believe. Her revelations on modern “disease” continue to gain worldwide recognition.

4 Comments

  • Susan
    May 29, 2009
  • Elaine
    March 12, 2009
  • Shirley Hall
    January 21, 2009
  • Phyllis
    November 28, 2008

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