July 07, 2012
The Sun's effect on skin — A controlled study
"The result of driving a truck for 28 years, exposing only half your face to direct sunlight."
July 7, 2012 at 12:01 PM | Permalink
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Mr. Peach: perfect analogy.
Mr. Mike Harney: many vehicles have UV filters incorporated into (or, onto) their safety glass. In any event, some decrease in ionizting radiation exposure would be accomplished by rolling up the window.
Now, I'll buy some Glacier Cream through the BOJ/Amazon link!
Posted by: 6.02*10^23 | Jul 7, 2012 11:09:35 PM
While window glass offers much protection against UVB (medium wave) and UVC (short wave), blocking about 90% of those, in this case the damage has been caused by UVA (long wave). Window glass blocks only about 10% of UVA. That image comes from the New England Journal of Medicine, whose article describing this example of unilateral dermatoheliosis is here:
"Ultraviolet A (UVA) rays transmit through window glass, penetrating the epidermis and upper layers of dermis."
Posted by: Mike Harney | Jul 7, 2012 9:16:14 PM
OK Flautist, on my cenotaph, under my name, it will be carved:
(Flautist made him choke on his beer)!
Posted by: JoePeach | Jul 7, 2012 6:12:38 PM
Next controlled study --- drive truck for 12 years in country with driver's wheels on left, and the next 12 in a country with driver's wheels on right (guess the latter truck might be called a lorry) in UK. FedX, UPS, etc. operate in UK and Australia.
Posted by: Juan Caruso | Jul 7, 2012 5:25:49 PM
The Phantom of the Peterbilt!
Posted by: Flautist | Jul 7, 2012 5:02:27 PM
Be fun to see what six months of Retin-A would do.
Posted by: jim` | Jul 7, 2012 4:26:05 PM
Posted by: JoePeach | Jul 7, 2012 4:19:48 PM
I just had a skin cancer removed from my left temple. Wear that sunscreen, folks. The doctor told me the old 30 SPF standard has been replaced and should go up to 50 - 75SPF.
Posted by: Becs | Jul 7, 2012 4:17:31 PM
holy moly Batman! Now, I'll wear my sunscreen on my bike ride today. Sheez!
Posted by: tamra | Jul 7, 2012 4:16:48 PM
An object lesson in the value of driving with the window rolled UP; glass is impervious to UV!
Now, a face cream company could make a real killing if they used that mirror trick - where you place the mirror along the sagittal plane and create two whole faces throught the reflection of each side of his face. One "before" showing the damaged face "bilaterally" and one "after" use of the miracle cream showing the more-or-less intact face "bilaterally".
Posted by: 6.02*10^23 | Jul 7, 2012 12:27:09 PM
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