Sun and UV

SUN/UV PRODUCE VITAMIN D

No – 10 minutes per day of sun-UVB is NOT enough
WRONG most of the time

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)

Sun - how to maximize 14 ways to maximize the sun (as of Aug 2015)
Sun - not just vitamin D
Noon is not “high noon” in various places around the world

UV 334 items Overview

uv window glass.jpg
UV Calculators UV bulb
D from low-cost UVB lamps

Overview Skin and vitamin D

Sun and UV

20845 visitors, last modified 18 Jul, 2017,

20845 visitors, last modified 18 Jul, 2017,

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Links to this page
- 20 cent vitamin D pill similar to 2 hours sunbathing at 60 degree latitude – RCT Aug 2013 Australian shade audits finds UV typically reduced by only 2X to 8X – Jan 2014 Half a billion people live with little vitamin D from the sun (behind paywall) – Dec 2016 Health benefits of non-burning exposure to UV light – Jan 2017 IBD more likely in areas with low UV ( and thus low vitamin D) – June 2014 Is this better than Vitamin D - sunlight (Wunsch, Mercola) - March 2015 Language understanding by infant is associated with vitamin D level during pregnancy – Dec 2015 Less sun means more disease -Grant, Holick, Cannell, et al Feb 2015 Low UVB (thus low Vitamin D) is linked to many diseases – Grant Jan 2016 Prescription: A walk in the park to improve your health (ParkRX) - May 2014 Regular sun exposure benefits health – Dec 2016 Sun is better than UV, which is better than Vitamin D Sunshine is a cure for “weak and soft muscles” – 425 BC The Healing Sun –1999 book highlights at Vitamin D Life UV and D UVA causes skin cancer, perhaps UVB (Vitamin D) prevents skin cancer – Jan 2017 UVB annual US - 1978-2014 Vitamin D – wait for Random Controlled Trials, rebuttal – not wait and consider UV – Feb 2015 Vitamin D from the sun while minimizing skin cancer - Interview by Dr. Mercolla of Dr. Cannell - Nov 2014

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Sun and UV

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