Tanning bed levels of radiation
#1
Tanning bed levels of radiation
Airline pilots face sunbed levels of UV radiation in cockpits - Telegraph
Airline pilots often boast enviable tans, but it may not be from the exotic locations that they travel between, but from spending too much time in the cockpit, research suggests.
A new study has found that spending 56 minutes behind the controls at 30,000 feet is the equivalent of 20 minutes laid out on an average strength sunbed.
Researchers at the University of California fear that pilots may be at risk from skin cancer by chronic exposure to UV rays.
And the authors suggest the levels could be higher when pilots are flying over thick clouds and snow fields, which can reflect UV radiation.
"Airplane windshields do not completely block UV-A radiation and therefore are not enough to protect pilots,” said Dr Martina Sanlorenzo, of the University of California, San Francisco.
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“UV-A transmission inside airplanes can play a role in pilots' increased risk of melanoma.
“We strongly recommend the use of sunscreens and periodical skin checks for pilots and cabin crew.”
UV-A radiation can cause DNA damage in cells and its role in melanoma is well known.
Plane windshields are commonly made of polycarbonate plastic or multilayer composite glass.
The authors measured the amount of radiation in airline cockpits during flights to Las Vegas in April and compared them with measurements taken in tanning beds.
The cockpit radiation was measured in the pilot seat of a general aviation turboprop airplane through the acrylic plastic windshield at ground level and at various heights above sea level.
Earlier this year the researchers found that pilots and flight crews face twice the risk of skin cancer compared with the general population.
However some critics claimed the increase was simply the result of airline staff flying to sunnier climes more often.
The new study suggests a reason for the increase in skin cancer rates.
For every additional 2,952 feet of altitude above sea level, there is a 15 percent increase in intensity of UV radiation.
At 30,000 ft, where most commercial aircraft fly, the UV level are more than twice that of the ground.
The research was published in the journal JAMA Dermatology.
Airline pilots often boast enviable tans, but it may not be from the exotic locations that they travel between, but from spending too much time in the cockpit, research suggests.
A new study has found that spending 56 minutes behind the controls at 30,000 feet is the equivalent of 20 minutes laid out on an average strength sunbed.
Researchers at the University of California fear that pilots may be at risk from skin cancer by chronic exposure to UV rays.
And the authors suggest the levels could be higher when pilots are flying over thick clouds and snow fields, which can reflect UV radiation.
"Airplane windshields do not completely block UV-A radiation and therefore are not enough to protect pilots,” said Dr Martina Sanlorenzo, of the University of California, San Francisco.
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“UV-A transmission inside airplanes can play a role in pilots' increased risk of melanoma.
“We strongly recommend the use of sunscreens and periodical skin checks for pilots and cabin crew.”
UV-A radiation can cause DNA damage in cells and its role in melanoma is well known.
Plane windshields are commonly made of polycarbonate plastic or multilayer composite glass.
The authors measured the amount of radiation in airline cockpits during flights to Las Vegas in April and compared them with measurements taken in tanning beds.
The cockpit radiation was measured in the pilot seat of a general aviation turboprop airplane through the acrylic plastic windshield at ground level and at various heights above sea level.
Earlier this year the researchers found that pilots and flight crews face twice the risk of skin cancer compared with the general population.
However some critics claimed the increase was simply the result of airline staff flying to sunnier climes more often.
The new study suggests a reason for the increase in skin cancer rates.
For every additional 2,952 feet of altitude above sea level, there is a 15 percent increase in intensity of UV radiation.
At 30,000 ft, where most commercial aircraft fly, the UV level are more than twice that of the ground.
The research was published in the journal JAMA Dermatology.
#8
Gets Weekends Off
Joined APC: Apr 2008
Posts: 204
The cockpit radiation was measured in the pilot seat of a general aviation turboprop airplane through the acrylic plastic windshield at ground level and at various heights above sea level.
Not saying there isn't a risk, but I'd rather read about measurements from a large transport type plane with the normal multilayer thick wind screens.
LA Times article lays out the research results a little better, but reading the conclusions, it isn't clear what brings on the higher mortality rate for pilots vs cabin crew:
http://www.latimes.com/science/scien...903-story.html
Not saying there isn't a risk, but I'd rather read about measurements from a large transport type plane with the normal multilayer thick wind screens.
LA Times article lays out the research results a little better, but reading the conclusions, it isn't clear what brings on the higher mortality rate for pilots vs cabin crew:
http://www.latimes.com/science/scien...903-story.html
Last edited by LightAttack; 12-17-2014 at 11:16 PM.
#9
Gets Weekends Off
Joined APC: Apr 2011
Position: retired 767(dl)
Posts: 5,723
True, I average two Mohs procedures a year, I'm getting good at pulling my own stitches, It pops out like measles after 65. There is not much you can do, except see a dermy once a year. Once one of these bad guys catch a ride on a lymph node it is over.
#10
Good God, man. I just did a Google image search of "mohs procedure". Instant regret.
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