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Harvard Professor Defends Sunshine, Vitamin D Link

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http://www.mercola.com/2005/jul/5/sunshine_vitamin_d.htm

 

Harvard Professor Defends Sunshine, Vitamin D Link

 

Evidence that supports vitamin D's profound health benefits continues

to mount: Unprotected sun exposure helps the body produce the vitamin

D it needs to keep bones healthy and ward off cancers and other

ailments. For example:

 

*

 

According to one study, researchers found that men with high

exposure to the sun had half the risk of prostate cancer than those

with low sun exposure.

*

 

Another study found that high levels of vitamin D and calcium

appeared to reduce women's risk of premenstrual syndrome, or PMS.

 

Dr. Giovannucci's Earlier Vitamin D Statements

 

The above studies' findings should come as no surprise to Harvard

Medical School professor Dr. Edward Giovannucci who, in an April

speech to the American Association for Cancer Research, spoke out

about the proven link between sun exposure and vitamin D production.

 

While acknowledging the dangers of the sun-related skin cancer

melanoma that killed some 8,000 Americans last year, Giovannucci

convincingly argued staying away from the sun--and preventing the body

from making enough vitamin D on its own--may add as much as 70 more

cancer deaths per 100,000 people each year.

 

Further, during his speech Giovannucci challenged anyone to find an

area or nutrient or any other factor that held such consistent

anticancer benefits as vitamin D.

 

Considering the evidence, it's doubtful anyone took that challenge.

 

Los Angeles Times June 20, 2005 (Registration Required)

 

Dr. Mercola's Comment:

 

Optimizing your sun exposure and levels of vitamin D may, indeed, be

one of the most important physical steps you can take in support of

your long-term health.

 

When getting your regular doses of sunshine to receive vitamin D, it

is important to remember this crucial point:

 

If you use the sun for some vitamin D, you really don't have to

worry about measuring your vitamin D levels, as sunlight will actually

destroy excess vitamin D. It is very difficult to overdose on vitamin

D from sun exposure.

 

If you are exercising in the sun like I do and sweat quite a bit,

please understand that the vitamin D is oil-soluble. So, you won't

want to shower immediately after being in the sun as the vitamin D is

formed in your skin and can be easily washed off. So cool down after

you work out and let your body absorb the vitamin D you produce in

your skin after sun exposure.

 

Be sure and get outside regularly--that is the key. Take some time for

yourself and work up to the point where you get one hour of sun on

your skin every day it is possible.

 

I can assure you that I consider this an essential part of my personal

Total Health Program and seek to get in to work around 4-5 a.m. so I

can leave early and read out in the sunshine.

 

Please remember that, in nearly every circumstance, getting your

vitamin D by exposing your body to UV light from the sun is the best

option. When doing so, however, there are two extremely important

points to remember:

 

 

1. Stay away from tanning beds, as they increase your risk of cancer.

 

 

2. Avoid staying in the sun long enough to burn your skin. At the

beginning of the season, limit your exposure to perhaps as little as

five to 10 minutes a day. Progressively increase your time in the sun

so that in a few weeks, you will be able to have normal sun exposure

with little risk of skin cancer.

 

 

 

Related Articles:

 

The Secret of Vitamin D Production

 

The Secret Benefits of Vitamin D

 

Measuring Your Vitamin D Levels: Your Most Important Blood Test?

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