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Old 04-08-2014, 08:42 PM   #1 (permalink)
 
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Lightbulb A Golden Mean?

Is there a "golden mean" of sunlight (UVR) exposure? Thoughts?

J Intern Med. 2014 Apr 4. doi: 10.1111/joim.12248.
[Epub ahead of print]
Is there a golden mean for sun exposure?
Jablonski NG.

Abstract
Hardly a week goes by when the attention of the scientific press and the general public isn't focused on a new report about the health effects of sunshine. Most studies of the effects of strong or prolonged ultraviolet radiation (UVR) exposure on the skin have emphasized the importance of sun avoidance and protection against sun exposure in order to reduce skin cancer risk.

In recent years, though, these reports have competed for attention with studies about the health benefits and protective effects of vitamin D, and the potentially serious health risks caused by vitamin D insufficiency and deficiency.

Because most vitamin D is produced in the skin by sun exposure, and specifically by DNA-damaging and carcinogenic UVB wavelengths, the development of tension within the medical community over the costs and benefits of sun exposure was inevitable.
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Old 04-09-2014, 09:05 AM   #2 (permalink)
 
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Re: A Golden Mean?

Quote:
Originally Posted by Don Smith View Post
Is there a "golden mean" of sunlight (UVR) exposure? Thoughts?

J Intern Med. 2014 Apr 4. doi: 10.1111/joim.12248.
[Epub ahead of print]
Is there a golden mean for sun exposure?
Jablonski NG.

Abstract
Hardly a week goes by when the attention of the scientific press and the general public isn't focused on a new report about the health effects of sunshine. Most studies of the effects of strong or prolonged ultraviolet radiation (UVR) exposure on the skin have emphasized the importance of sun avoidance and protection against sun exposure in order to reduce skin cancer risk.

In recent years, though, these reports have competed for attention with studies about the health benefits and protective effects of vitamin D, and the potentially serious health risks caused by vitamin D insufficiency and deficiency.

Because most vitamin D is produced in the skin by sun exposure, and specifically by DNA-damaging and carcinogenic UVB wavelengths, the development of tension within the medical community over the costs and benefits of sun exposure was inevitable.
When there is a political / $$ motive behind the "science", it is not open to normal debate. Like climate change, despite data that shows that the climate is not warming and that polar icecaps are getting bigger, the "science" is settled to these people. There is no "other side of the debate" or "middle" where both sides coexsist. If you disagree, you are a stupid "flat earther" who does not believe in science. We are in a fight for the very survival of our industry. It is time that the ITA, and ASA quit trying to find the safe "middle ground" and start making plans to defend and promote this industry for a change.
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Old 04-09-2014, 01:54 PM   #3 (permalink)
 
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Re: A Golden Mean?

The Jablonski article referred to the importance of the recent Lindqvist article (abstract below) in their call for determining the "golden mean" of sunlight (UVR) exposure. What that means is to determine the exposure parameters that will (a) stimulate the production of vitamin D without (b) causing sunburning. In many of the articles I have written over the years I have defined the "golden mean" for the initial UVR exposure session as (1) less than 1.0 MED (FDA EAS) adjusted for skin type/subtype (i.e., the "sunburning dose") and level of facultative pigmentation and (b) more than 0.5 MED (FDA EAS) adjusted for skin type/subtype (i.e., one half of the "sunburning dose"). It turns out that the FDA EAS "recommended" initial exposure of 0.75 MED is perfect!

Unfortunately, calculating the "golden mean" for outdoor exposure is virtually impossible for 99% of the population. Thus, the only safe way to achieve the "golden mean" UVR exposure is at a professional indoor tanning salon.

Note to Peach: Why ASA and ITA fail to promote this is beyond my level of comprehension. The Lindqvist and Jablonski articles provide a fantastic opportunity to promote the indoor tanning industry.

J Intern Med. 2014 Apr 4. doi: 10.1111/joim.12251. [Epub ahead of print]
Avoidance of sun exposure is a risk factor for all-cause mortality: results from the MISS cohort.
Lindqvist PG1, Epstein E, Landin-Olsson M, Ingvar C, Nielsen K, Stenbeck M, Olsson H.

Abstract

BACKGROUND: Sunlight exposure and fair skin are major determinants of human vitamin D production, but they are also risk factors for cutaneous malignant melanoma (MM). There is epidemiological evidence that all-cause mortality is related to low vitamin D levels.

METHODS: We assessed the avoidance of sun exposure as a risk factor for all-cause mortality for 29,518 Swedish women in a prospective 20-year follow-up of the Melanoma in Southern Sweden (MISS) cohort. Women were recruited from 1990 to 1992, and were aged 25 to 64 years at the start of the study. We obtained detailed information at baseline on their sun exposure habits and potential confounders. Multivariable flexible parametric survival analysis was applied to the data.

RESULTS: There were 2545 deaths among the 29,518 women who responded to the initial questionnaire. We found that all-cause mortality was inversely related to sun exposure habits. The mortality rate among avoiders of sun exposure was approximately two-fold higher compared to the highest sun exposure group, resulting in excess mortality with a population attributable risk of 3%.

CONCLUSION: The results of this study provide observational evidence that avoiding sun exposure is a risk factor for all-cause mortality. Following sun exposure advice that is very restrictive in countries with low solar intensity might in fact be harmful to women's health.
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Old 04-09-2014, 03:18 PM   #4 (permalink)
 
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Re: A Golden Mean?

Don, This is why I have a very low regard for Doctor's a why I don't usually believe a **** thing that they say.

If they were REALLY interested in the public good and the health of the general public, they would be using this information in their diagnosis and treatment regimen.

Instead they propagate these lies that actually harm the very people they say they are trying to protect, just to line their pockets. They are totalitarian scum.

PS-recently studies has proved that salt in our diets DOES NOT contribute to high blood pressure. The exact opposite of the BS they have been feeding us for the past 30 years. How does anyone trust these people?
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Old 04-10-2014, 03:06 PM   #5 (permalink)
 
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Re: A Golden Mean?

I found some of the statistics in the Lindqvist article very interesting and informative. The authors found that "Use of Sunbeds" resulted in a 23% decrease in all cause mortality; Sunbathing during winter holiday resulted in a 19% decrease; Sunbathing during summer resulted in a 26% decrease; and Sunbathing during holiday abroad resulted in a 17% decrease. However, for individuals who reported all four of the above, a 47% decrease in all cause mortality was found.

A reasonable person could reasonably presume that more sunlight/sunbed exposure is beneficial (unless you want to die prematurely).
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Old 04-10-2014, 04:13 PM   #6 (permalink)
 
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Re: A Golden Mean?

Quote:
Originally Posted by Don Smith View Post
I found some of the statistics in the Lindqvist article very interesting and informative. The authors found that "Use of Sunbeds" resulted in a 23% decrease in all cause mortality; Sunbathing during winter holiday resulted in a 19% decrease; Sunbathing during summer resulted in a 26% decrease; and Sunbathing during holiday abroad resulted in a 17% decrease. However, for individuals who reported all four of the above, a 47% decrease in all cause mortality was found.

A reasonable person could reasonably presume that more sunlight/sunbed exposure is beneficial (unless you want to die prematurely).
This fantastic data does not promote the medical industry agenda, therefore it is ignored. And people suffer because of it. Anywhere else, it would be called medical mal practice.
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Old 04-10-2014, 07:09 PM   #7 (permalink)
 
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Re: A Golden Mean?

One thing I learned in my 40+ years of dealing with doctors is that they will do what they have to do to protect their turf and income. Some of the most vicious infighting takes place in hospitals.

The dermatologists found out that demonizing the sun was counterproductive (with the public) but fortunately (for them) they found another (weak and fragmented) entity to demonize (the indoor tanning industry) that allows them to portray themselves as protecting the public from skin cancer while, in reality, it really enables them to promote themselves personally and professionally at no cost.

The problem is that the indoor tanning industry has been, for the most part, a fragmented cottage industry that lacks the will and money to protect itself. I say "has been" because now the large chains are playing a larger role in the marketplace and they will mobilize their resources to protect their interests. While some of their efforts will help the "mom & pop" salons, it would be a mistake to ignore the fact that they (like the doctors) will look after their "best interests" first and foremost.

For instance, trusting that the "big guys" will worry about protecting small salons when negotiating with the FDA would not be wise. Would they agree to regulations that can be "handled" by themselves that would overwhelm the small operator? Yes indeed!

Will the small salons mobilize to protect themselves? Probably not.
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Old 04-11-2014, 12:29 AM   #8 (permalink)
 
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Re: A Golden Mean?

Will the small salons mobilize to protect themselves? Probably not.[/quote]
That is certain, I'm not sure the big guys will even mobilize. PBT
and STC are the only two that seen to be moving forward.
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Old 04-14-2014, 01:26 PM   #9 (permalink)
 
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Re: A Golden Mean?

Small salons would get behind someone who had their interests in common. No one like that currently exists. Too many pretenders out there. It dilutes the message and the funding.
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Old 04-14-2014, 01:29 PM   #10 (permalink)
 
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Re: A Golden Mean?

Quote:
Originally Posted by Don Smith View Post
One thing I learned in my 40+ years of dealing with doctors is that they will do what they have to do to protect their turf and income. Some of the most vicious infighting takes place in hospitals.

The dermatologists found out that demonizing the sun was counterproductive (with the public) but fortunately (for them) they found another (weak and fragmented) entity to demonize (the indoor tanning industry) that allows them to portray themselves as protecting the public from skin cancer while, in reality, it really enables them to promote themselves personally and professionally at no cost.

The problem is that the indoor tanning industry has been, for the most part, a fragmented cottage industry that lacks the will and money to protect itself. I say "has been" because now the large chains are playing a larger role in the marketplace and they will mobilize their resources to protect their interests. While some of their efforts will help the "mom & pop" salons, it would be a mistake to ignore the fact that they (like the doctors) will look after their "best interests" first and foremost.

For instance, trusting that the "big guys" will worry about protecting small salons when negotiating with the FDA would not be wise. Would they agree to regulations that can be "handled" by themselves that would overwhelm the small operator? Yes indeed!

Will the small salons mobilize to protect themselves? Probably not.
Big Tanning chains are looking to make a deal with the FDA/Derms. That deal will most assuredly weaken their competition. Why do you think that we have 5 or 6 mega banks now that call all the shots in the financial sector?
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