The Healing Sun: Colon Cancer and The Sun

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The Healing Sun by Richard Hobday presents evidence showing an increase in disease with a decrease in sunlight exposure.  This article discusses the relationship of: Colon Cancer and The Sun

How Sunlight Can Prevent Serious Health Problems

by Richard Hobday, taken from his book, The Healing Sun


Colon Cancer and The Sun

With health campaigns warning against sunbathing because of the risks of developing cancer it easy to see why the cancer inhibiting properties of sunlight have been largely overlooked. Certainly, there has been little support for the hypothesis that sunlight inhibits the development of internal cancers from mainstream cancer researchers. This is not altogether surprising given the slowness with which the association between rickets and sunlight came to be accepted by much of the medical establishment.

During the 18th and 19th centuries, rickets occurred mostly at latitudes of 37 degrees or higher, in towns and cities where air pollution reduced the amount of sunlight that would otherwise have been available. There are some striking parallels between rickets and cancer of the colon, in that almost all western countries at latitudes north of 37 degrees in the northern hemisphere, or south of that latitude in the southern hemisphere, have high rates of colon cancer. It is the second leading cause of death from cancer, after lung cancer, in the United Kingdom, the United States, Canada, Ireland and New Zealand and, as was the case with rickets, the problem is worse in areas with high levels of air pollution.

The first epidemiological research suggesting that vitamin D from sun exposure has a protective effect against colon cancer was published in the International Journal of Epidemiology in 1 980 by Drs Frank and Cedric Garland (see Table 3). They looked at the geographic distribution of cancer deaths in the United States and found that mortality from colon cancer decreased in areas of the United States with greater sun exposure, the number of deaths in the industrialized northeast of the United States being one third higher than in sunnier regions such as Hawaii, New Mexico and Arizona. Migration to a sunny latitude — from, say, New York to Florida — is associated with a decreased risk of colon cancer. Also, a childhood and adolescence spent in one of the world’s sunnier regions reduces the risk of the disease for those who migrate in the opposite direction, and the protective effect appears to last a lifetime.


Table 3: Colon Cancer and Latitude

Country Latitude (°) I Death rate per 100,000 population
Northern Ireland 54 16.4
Republic of Ireland 53 16.6
England and Wales 52 15.3
Netherlands 52 14.7
Germany 51 16.5
Belgium 50 15.5
Austria 47 15.2
Switzerland 47 12.2
France 46 11.2
Canada 45 13.5
New Hampshire, USA 44 11.5
New York, USA 43 12.4
Connecticut, USA 42 11.5
Rhode Island, USA 42 12.2
Massachusetts 42 12.1
Italy 42 10.5
New Zealand 41 19.7
New Jersey, USA 40 12.9
Spain 40 7.8
Greece 39 5.2
Japan 36 9.3
New Mexico, USA 34 9.1
Arizona, USA 34 8.8
Australia 33 15.8
Israel 31 11.8
Chile 30 6.1
Florida 28 9.9
Mexico 23 2.7
Hawaii, USA 20 8.5
Guatemala 15 0.5
Annual Age-Adjusted Death Rates from Colon Cancer per 100,000 Population by Latitude of Residence for Women in Selected Areas, 1986-1990. After Garland, C.F., Garland, F.C., and Gorham, E.D., ‘Epidemiology of Cancer Risk and Vitamin D’ inVitamin D: Molecular Biology, Physiology, and Clinical Applications, (Ed. Holick, M.F.), Humana Press, New Jersey, 1999




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This entry was posted on Tuesday, May 14th, 2024 at 1:41 pm and is filed under Books.

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sethumenon said:

on January 21st, 2009



James92802 said:

on January 27th, 2009

I guess this is Richard Hobday’s way of trying to convince you that it’s actually good for you when he attempts to shine a light up your ass?


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