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[ Active Members: 0 | Anonymous Members: 0 | Guests: 62 ]  [ Total: 62 ]  [ Newest Member: Rayinfla ]
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 Health and Safety
 Preventing sunburn and sun damage
 Sunscreens 101 (USA)
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Author Topic Next Topic: Best UV Defense For Suffers Of Rosacea?
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soonbnude
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Posted - 06/14/2017 :  5:41:52 PM  Show Profile  Reply with Quote

Thanks to all you guys for this fantastic information. I'm still reading the attached references but as a fair skinned person who needs to build up a tan gradually and use sunscreens this is great information. Well down from down under where the incidence of skin cancer is very high, maybe the highest in the world. Cheers, SBN.



Country: Australia | Posts: 397 Go to Top of Page

calgarymark
Forum Member

Posted - 06/15/2017 :  5:45:13 PM  Show Profile  Reply with Quote
I've previously made reference to the UVB lamp my wife uses to provide her with Vit.D (the only way she can get it due to extensive surgery on her digestive system) and I also use the lamp, even though I CAN digest tablets/supplements. I believe [unscientifically, hypothetically, empirically ;-)] that regular modest use of the lamp provides me with some protection from burning when I eventually do get out in the sun. Yes, I do use sunscreen initially, but soon develop a greater tan and no visible redness or feeling of burning. Of course, I do NOT lie in full sun for all the hours it is shining. For more information about the lamps, go to https://solarcsystems.ca/en/?v=3e8d115eb4b3.

CalgaryMark
Growing old is mandatory, Growing up is optional. Laughing at yourself is therapeutic.



Country: Canada | Posts: 89 Go to Top of Page

Bill Bowser
Forum Member


Posted - 06/30/2017 :  1:09:28 PM  Show Profile  Reply with Quote
An artical in the U.K. Sun reveals that some sunscreens may not be safe to use. (Fear not, the news media will always find ample things for you to worry about.)

https://www.thesun.co.uk/living/3906262/swimming-in-a-chlorinated-pool-can-turn-sun-cream-toxic-increasing-risk-of-cancer-scientists-warn/

Bill Bowser - Cincinnati
Not lewd, not crude, just nude.

Nudists are everywhere, but they're hard to identify with their clothes on.



Edited by - Bill Bowser on 06/30/2017 1:10:13 PM

Country: USA | Posts: 311 Go to Top of Page

calgarymark
Forum Member

Posted - 06/30/2017 :  7:14:23 PM  Show Profile  Reply with Quote
Yet another reason to only swim in the sea or a lake; and if you have to swim in a pool, clothed or not, have a shower before getting in the pool to wash off the sunscreen, and sweat, and...

CalgaryMark
Growing old is mandatory, Growing up is optional. Laughing at yourself is therapeutic.



Country: Canada | Posts: 89 Go to Top of Page

jbsnc
Forum Member


Posted - 07/01/2017 :  11:13:27 AM  Show Profile  Reply with Quote
Not undermining use of sunscreen. I habituated activities mostly in the shade from mid morning till late afternoon except while swimming. Only early and late sun exposure with some exceptions. I am moderately fair (mostly Scottish). Often wore a wide brimmed hat while hiking. Fortunately the nudist resort I most visited had substantial forest hiking trails with much shade.

Happy Nuding.



Country: USA | Posts: 145 Go to Top of Page

NaturistDoc
Forum Member


Posted - 07/09/2017 :  01:14:36 AM  Show Profile  Reply with Quote
Science marches on. The way we tan is complicated. UV damage to DNA in the dermis triggers melanocytes to produce melanin and box it up in little packages called melanosomes. The melanosomes are then spit out and taken up by keratinocytes, the outer layer of live skin cells. The keratinocytes manage to arrange the melanosomes into structures called supranuclear caps or, adorably, microparasols that shade the cell nucleus and its DNA from solar UV. These scientists in San Diego have concocted a sort of artificial melanosome that human keratinocytes seem to treat as the real thing. Who knows if it will ever amount to a practical sunscreen, but trying to mimic nature's own sunscreen makes sense to me.

http://pubs.acs.org/doi/pdf/10.1021/acscentsci.6b00230



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