Less Solar Radiation was associated with more Cancer - 1941

---

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

---

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

---

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

This list is automatically updated

Title change made Aug. 2022 caused the visitor count to reset.
There have actually been 11871 visitors to this page since it was originally made