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Avoiding the sun may be as bad as smoking a pack of cigarettes a day – July 2019

What If Avoiding the Sun Is Bad for You? July 2019

  • “If that study’s findings are correct,” Zirwas says, “that means protecting yourself from ultraviolet light could have the same effect on your mortality as deciding to smoke a pack of cigarettes a day.”


The study: Avoidance of sun exposure is a risk factor for all‐cause mortality: results from the Melanoma in Southern Sweden cohort - 2014
 Download the PDF from VitaminDWiki
93 studies referemces the 2014 study as of July 2020


See also VitaminDWiki

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Smoking reduces vitamin D

UV bulb at home when no sun is available

No – 10 minutes per day of sun-UVB is NOT enough contains the following summary

  • 5-10 minutes provides only 1,000 IU ONLY IF you are near the equator
  • AND young
  •  AND not obese
  •   AND have light skin
  •    AND it is summer
  •     AND it is the middle of the day
  •      AND you have lots of skin exposed to the sun
  •       AND you are lying down
  •        AND you are not wearing sunscreen
  •         AND you have a healthy Liver
  •          AND no clouds and nor air pollution
  •           AND you have good response to sunshine (4X variation between individuals)



Created by admin. Last Modification: Sunday July 26, 2020 22:07:13 GMT-0000 by admin. (Version 8)

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ID Name Comment Uploaded Size Downloads
14080 Avoidance of sun exposure - 2014.pdf admin 26 Jul, 2020 21:59 258.65 Kb 11
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