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Do Vitamin D Supplements Reduce the Risk of Dying from Cancer?

Sun exposure is associated with lower rates of 15 different cancers and improved cancer survival. What happened when vitamin D supplements were put to the test?

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What about just getting sun instead? Please check out my recent 6-part video series:
• Will You Live Longer if You Take Vitamin D Supplements? (
• Do Vitamin D Supplements Help with Diabetes, Weight Loss, and Blood Pressure (
• How Much Vitamin D Should You Take? (
• The Optimal Dose of Vitamin D Based on Natural Levels (
• The Best Way to Get Vitamin D: Sun, Supplements, or Salons? (
• The Risks and Benefits of Sensible Sun Exposure (

Better, of course, to prevent colon cancer in the first place. See, for example:
• Stool pH and Colon Cancer (
• Solving a Colon Cancer Mystery (
• Resistant Starch and Colon Cancer (

For more on that extraordinary story about Premarin and hormone replacement therapy, see How Did Doctors Not Know About the Risks of Hormone Therapy? (

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Thanks for watching. I hope you’ll join in the evidence-based nutrition revolution!
-Michael Greger, MD FACLM

Image Credit: mahnoorraja via flickr and ClkerFreeVectorImages and ClkerFreeVectorImages via Pixabay.

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