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Wednesday
Sep222010

Vitamin D and Your Immune System

An estimated 70 percent of the U.S. population has diets deficient in vitamin D. Recent study of this essential micronutrient has demonstrated its central role in maintaining health. Decreased or insufficient levels of vitamin D have been linked to:

  1. Suppressed immunity - our innate systems of defense may not function efficiently without adequate vitamin D, allowing increased susceptibility to infectious agents.
  2. Increased risk of chronic disease - low levels of vitamin D have been associated with a higher than normal risk of heart disease and several kinds of cancer.
  3. Heightened inflammation - vitamin D is a key cofactor in regulating inflammation throughout the body.

I recommend prudent daily sun exposure to support the natural production of vitamin D in our skin, as well as speaking to your doctor about checking vitamin D levels and supplementing if necessary.

Learn more about vitamin D for: mental sharpness, your heart, asthma, and even cold prevention.

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Reader Comments (5)

Incredibly enough, studies show that if everyone had optimal levels of vitamin D, the rate of cancer would drop by as much as 70 percent — almost immediately! And vitamin D is more effective (and safer) than any flu vaccine as well.

And why is the American Cancer Society and the CDC not promoting this? Hint: You can't make a profit off of it. Forget about the mammograms — everyone should get a vitamin D blood level test annually.

September 22, 2010 | Unregistered CommenterStan

I like this info. Lots of people forget that they need some fat with their Vitamin D supplement so it will be absorbed, and magnesium too. I have read some recent research that suggests even low or moderate levels of vitamin A will block vitamin D’s effects, so it’s wise to not have too much vitamin A.

Why are some doctors ignoring such a simple health solution? With all the studies coming out about vitamin D and the excellent book by Dr. Holick, I hope that more of the medical community will support vitamin D as a solution to our epidemic of poor health. With so many uninsured Americans an alternative is a vitamin D test that you can take at home and mail to a lab.
The treatment, the sun, is free and available whether insured or not, we just need to know what our vitamin D level is.

September 24, 2010 | Unregistered CommenterDana

Great article! Seriously, it really seems that all of modern epidemiology is based on statistics and facts drawn from people, the vast majority of which are deficient in Vitamin D. If everyone had near 100% Vit D levels imagine the impact that would have on health, not to mention the cost of healthcare.

September 25, 2010 | Unregistered CommenterRoobeans

I took lots of vitamin D after a second breast cancer. However, I have sarcoidosis and the Vitamin D acts differently in a person with this disease. I developed hypercalcemia and intense, accute, and painful flare-ups of the disease. I was off Vitamin D for several months, my calcium dropped to near normal, then because my D was so low I went back on 2000 mg of vitamin D and two weeks later I was sent to the emergency room with very high calcium levels. I don't knowwhat to do/ I've been thinking of taking under 500mg a day. So, Vit. D doesn't work for everyone, I wish it did.

September 29, 2010 | Unregistered CommenterShirley
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