Less Solar Radiation was associated with more Cancer - 1941

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The 1941 paper on Solar Radiation and Cancer references a 1912 paper on the same subject

The Relation of Solar Radiation to Cancer Mortality in North America
Frank L. Apperly, M.D.
(From the Department of Pathology, Medical College o [ Virginia, Richmond, Virginia)
(Received for publication December 20, 1940 )
 Download the PDF from VitaminDWiki

• Lots of people were on the farm
• There was no air conditioning, TV, video games, internet to keep you indoors. even if you lived in cities

Here are a few of the images

Cancer vs percent of agriculture in the state

lots of the population was on the farm back then

Cancer and latitude

Note: the data is not sorted by latitude

However, Skin Cancer increased with solar radiation

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See also VitaminDWiki

• Many reasons why vitamin D deficiency has become epidemic
• Overview Cancer and vitamin D
• Solar UVB reduces Cancer Risk – Grant, Jan 2013
• Interview with transcript concerning UVA, UVB, and health – Grant Dec 2012
• 2200X more problems from no UVB than too much UVB - WHO 2006
• Hypothesis of cause and effect of vitamin D deficiency which has the following chart

• Overview MS and vitamin D

Note how MS has increased in the South as there were fewer farmers and everyone could avoid the sun

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VitaminDWiki Mortality pages with CANCER in title (34 as of Aug 2022)

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