Go Ahead and Soak up some Sun! So says Dr. Holick.

By Marc Sorenson, EdD, Sunlight Institute

Go ahead and soak up some sun! So says Dr. Holick.

It is great to have Dr. Michael Holick appearing in news articles occasionally, because he helps to stop the pervasive lies that frighten the public from partaking of life-saving sun exposure. A recent article appearing in the Washington Post, and written by Dr. Holick, makes some good points that all of us should have at our fingertips when being confronted by the anti-sun militants:

  1. The American Academy of Dermatology recommends never exposing bare skin to the sun, or even on a cloudy day, without sunscreen. [How about that for insanity!]
  2. The FDA calls ultraviolet radiation a carcinogen. [ridiculous]
  3. These messages cause widespread paranoia
  4. SPF 30 sunscreens reduce vitamin D production by 97%.
  5. A lack of vitamin D is associated with increased risk for Type 1 and 2 diabetes, multiple sclerosis, rheumatoid arthritis, Crohn’s disease, cardiovascular disease, stroke, depression, Alzheimer’s disease, schizophrenia, colon and breast cancer, influenza and tuberculosis.

Much of the rest of the article concentrates on putting the lie to the nonsense about hiding ourselves from the sun, as he talks about how vital vitamin D is for cancer, diabetes and other diseases. He then discusses the best way to get sunlight exposure. This is a must read!

This is the link to the article:  https://www.washingtonpost.com/opinions/go-ahead-soak-up-some-sun/2015/07/24/00ea8a84-3189-11e5-97ae-30a30cca95d7_story.html.

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Non-melanoma skin Cancer (NMSC) and Alzheimer’s Disease

By Marc Sorenson, EdD, Sunlight Institute

Whereas melanoma, the deadly skin cancer, is inversely associated with sunlight exposure (more sunlight exposure, less melanoma) the same is not true for NMSC, which is directly associated with sunlight exposure. It is a rarely fatal disease unless the immune system is compromised due to other diseases or anti-rejection drugs. It has been shown that NMSC associates to a lower risk of melanoma and many other cancers.

I am not suggesting that we contract NMSC in order to prevent melanoma. Correct nutritional habits can also reduce the risk of both NMSC and melanoma,[1] and it should be remembered that in the case that someone contracts an NMSC, it can be easily removed. Melanoma, however, can be deadly. The best bet is to eat wisely and obtain plenty of regular sun exposure so that risk of melanoma is dramatically decreased.

NMSC is often used as a marker for sunlight exposure and is compared with various diseases beyond cancer to determine if sunlight exposure associates to those diseases. Dr. Bill Grant just sent me a paper showing that among people over 70 with NMSC, the risk of Alzheimer’s disease (AD) is profoundly decreased;[2] in fact those with NMSC had a 79% reduced risk of Alzheimer’s. Or stated another way, those without NMSC had about five times the risk of the disease. Of course, this demonstrates the value of sunlight in reducing AD.

Let’s protect our minds as we age by getting plenty of non-burning sunlight! Search the Sunlight Institute site to learn more about how Alzheimer’s is influenced by sunlight and vitamin D.

[1] http://sunlightinstitute.org/lets-revisit-the-need-for-appropriate-nutrition-in-preventing-melanoma-death/

[2] White RS, Lipton RB, Hall CB, Steinerman JR. Nonmelanoma skin cancer is associated with reduced Alzheimer disease risk. Neurology. 2013 May 21;80(21):1966-72.

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Sunlight is more a Friend than Foe for Older People.

By Marc Sorenson, Sunlight Institute

Dr. Richard Weller, “enlightened” dermatologist, continues to dispel the myths regarding sunlight exposure. He and his colleague, Dr. Wright, recently published a paper that promotes sunlight for older people.[i] In it, they make several important points:

  1. “Intermittent sun exposure is a risk factor for the more dangerous melanoma but chronic sun exposure and outdoor occupation may be protective.
  2. “Public health advice has tended to concentrate on the dangers of sun exposure despite the absence of any data that increased sun exposure correlates with raised all-cause mortality.”
  3. “Inadequate sun exposure carries its own risks, and the older population are particularly sun deprived as recorded by low serum Vitamin D levels and lack of outdoor activity.”
  4. “Sunlight has health benefits dependently and independently of vitamin D synthesis. Low serum vitamin D levels correlate with increased morbidity and mortality but the direction of association is not always clear. Vitamin D has a causal role in calcium and phosphate metabolism, in skeletal health and probably reduction of colorectal cancer.”
  5. “…..mobilization of nitric oxide by UVA radiation from nitrate stores in skin, with consequent reduction in BP, may account for the observed reduction in cardiovascular disease and all-cause mortality with increased sun exposure.”
  6. “Advice on healthy sun exposure needs to be reconsidered, with reduction in all-cause mortality and morbidity as the primary end point.”

It is refreshing to follow Dr. Weller’s scientific papers, since he is a dermatologist that has not succumbed to the mantras of the various anti-sun organizations. He tells the truth, and that truth will help to set free the populace that labors under the falsehoods perpetrated by the sunscare industry. Elderly people need so desperately to sunbathe regularly to benefit their health. I know this, because my wife and I conduct church meetings for the residents of an assisted-care facility. My heart bleeds to know that the suffering they are undergoing need never have happened if they had done two things: (1) engaged in regular sun exposure during their lifetimes and (2) practiced good nutrition. In my opinion, most of them would never have been admitted to the facility in the first place had they known and practiced these two guidelines.

[i] Wright F, Weller RB. Risks and benefits of UV radiation in older people: More of a friend than a foe? Maturitas. 2015 May 19. pii: S0378-5122(15)00674-X. doi: 10.1016/j.maturitas.2015.05.003. [Epub ahead of print].

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Early-Life Sun Exposure Affects the Age of Onset of Bipolar Disorder.

By Marc Sorenson, EdD

We are meant to be in the sunlight for both mental and physical health, and one of the most important phases for sunlight exposure is early life. We have previously discussed such diseases as autism, low bone strength and type-one diabetes as being related to lack of sunlight either in the formative years or even in the womb.

One of the latest pieces of research involves the onset of bipolar disorder (BD), a mental condition characterized by alternating mania and depression, usually interspersed with normal mood. The disorder was previously called manic-depressive illness.

In an 11-nation study, the U.S. was found to have the highest rate of BD and India lowest rate.[1] Or perhaps we should use the word “risk” rather than “rate.” Is it possible that greater sunlight exposure plays a part in India’s lower risk? Research has yet to determine that answer, but a recent study may “shed some light” on the subject. In the Journal of Psychiatric Research, a team of about 50 scientists studied the influence of light exposure during early life on the age of onset of BD.[2] The study covered 23 different countries at different latitudes and assessed light exposure in the early lives of 3896 BD patients. It was found that more sunlight exposure in the first three months of life was associated with a later onset of the disease. The researchers felt that sunlight during this time helped set the circadian rhythms later in life. The researchers concluded with this statement: “This study indirectly supports the concept that early life exposure to light may affect the long term adaptability to respond to a circadian challenge later in life.”

It would be interesting to know if the overall risk of BD is lower in countries or areas where people receive the most sunlight in infancy, of for that matter, during a lifetime. This research, however, shows us that our children, even our little ones, should receive regular, non-burning sunlight exposure.

[1] Amanda Gardner. U.S. has highest bipolar rate in 11-nation study. Heath.com. March 7, 2011. http://www.cnn.com/2011/HEALTH/03/07/US.highest.bipolar.rates/ Accessed July 21, 2015.

[2] Bauer M, Glenn T, Alda M, Andreassen OA, Angelopoulos E, Ardau R, Baethge C, Bauer R8, et al. Influence of light exposure during early life on the age of onset of bipolar disorder. J Psychiatr Res. 2015 May;64:1-8

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Sunlight and Your Liver: is Nitric Oxide at work again?

By Marc Sorenson, EdD Sunlight Institute

Recent research, again involving Dr. Richard Weller, demonstrates that Sunlight exposure may prevent liver inflammation in non-alcoholic fatty liver disease (NAFLD), which is the most prevalent liver disorder in western countries.[1] The authors of this research state then state the following possible mechanism: “Following exposure to sunlight-derived ultraviolet radiation (UVR), the skin releases anti-inflammatory mediators such as vitamin D and nitric oxide.”

Though there has been no proof that sunlight works for humans (no research yet), the authors indicate that animal studies suggest that exposure to sunlight (UVR), can prevent the development of NAFLD.

They also note that most of the credit for these positive results has focused on vitamin D, yet clinical trials have yet to demonstrate a clear, beneficial effect of supplementation; therefore, they suggest that other mediators such as nitric oxide may be important. This is another of those studies that demonstrates the possibility that sunlight has positive affects on a disease independently of vitamin D. Future research may clarify that idea.

Until then, regular sun exposure may be good insurance for a healthy liver.

[1] Gorman S, Black LJ, Feelisch M, Hart PH, Weller R. Can skin exposure to sunlight prevent liver inflammation? Nutrients 2015 May 5;7(5):3219-39.

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Vitamin D Society News Release: Restrictive Sun Exposure Poses Health Risks!

Marc Sorenson EdD, Sunlight Institute

Our purposes for the Sunlight Institute are to tell the truth about the marvelous benefits of sunlight and to help people to understand that they are being lied to by those who would frighten us out of the sun, aka the Sunscare Movement. A recent press release by the Vitamin D Society of Canada may go a long way toward those goals. The release summarizes information from a new study by Carole Baggerly and several of her academic colleagues, and “examines how entities such as World Health Organization’s International Agency for Research on Cancer and the U.S. Surgeon General call for sun avoidance, but ignore the fact that cutting out sunshine will reduce vitamin D, an essential vitamin for bone health, and create probable harm for the general population.” That statement is particularly true, I believe, for those living in Canada.

The release is excellent, but I only wish that they had mentioned the production of serotonin, endorphins and nitric oxide by sunlight—all of which have remarkable health influences on the human body and brain.

Nevertheless, this release is a must read and my hope is that it will be widely distributed. Truth marches on. Here is the link to the news release: http://www.newswire.ca/en/story/1570075/overly-restrictive-sun-exposure-warnings-pose-health-risk-says-new-study

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Tanning Beds and Sunlight as Treatments for Skin Disease

By Marc Sorenson, EdD, Sunlight Institute

Some common-sense scientists understand that UV light is nearly 100% effective for many dermatological conditions, and that tanning beds are very convenient sources of UV for patients who cannot otherwise afford the rigorous travel and time commitments necessary to visit the dermatologist.[i] Their investigation involved an arduous search for scientific papers that reported on tanning beds and their salutary affects on different skin diseases.

The searches showed convincingly that tanning beds were a valid use for psoriasis, but also indicated tanning beds could be useful “as a treatment option for atopic dermatitis, mycosis fungoides, acne, scleroderma, vitiligo, and pruritus, as well as other UV sensitive dermatoses.”

The conclusion they reached was amazing, considering negative reports that are regularly touted by the press. They stated: “Unsupervised sun exposure is a standard recommendation for some patients to obtain phototherapy. Selected use of commercial tanning beds in the treatment of dermatologic conditions may be another useful and effective treatment for those patients with an inability to access office-based or home-based phototherapy.”[Italics mine]

One of the dermatologists who recommends unsupervised sun exposure as stated above is Dr. Julie Moore of Gottlieb Memorial Hospital. She says that sunlight is one of the best ways to treat psoriasis, so she recommends that her patients “sit out on the deck and give their affected areas a good sun bath.[ii]

Hallelujah! Common sense is beginning to penetrate the dermatology profession, as more dermatologists are climbing on the sunlight bandwagon each year. Now go and spend some safe, non-burning time in the sunlight!

[i] Radack KP, Farhangian ME, Anderson KL, Feldman SR. A review of the use of tanning beds as a dermatological treatment. Dermatol Ther (Heidelb). 2015 Mar;5(1):37-51.

[ii] Science News, August 6, 2013. Summer sun good for psoriasis sufferers says Gottlieb dermatologist.

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Tanning Beds and Sunlight as Treatment for Skin Diseases

By Marc Sorenson, EdD, Sunlight Institute

Some common-sense scientists understand that UV light is nearly 100% effective for many dermatological conditions and that tanning beds are very convenient for patients who cannot otherwise afford the rigorous travel and time commitments necessary.[i] Their investigation involved an arduous search regarding tanning beds and different skin diseases in both PubMed and Google Scholar.

The searches showed convincingly that tanning beds were a valid use for psoriasis, but also indicated tanning beds could be useful “as treatment option for atopic dermatitis, mycosis fungoides, acne, scleroderma, vitiligo, and pruritus, as well as other UV sensitive dermatoses.”

The conclusion they reached was amazing, considering negative reports that are regularly touted by the press. They stated: “Unsupervised sun exposure is a standard recommendation for some patients to obtain phototherapy. Selected use of commercial tanning beds in the treatment of dermatologic conditions may be another useful and effective treatment for those patients with an inability to access office-based or home-based phototherapy.”[Italics mine]

One of the dermatologists who recommends unsupervised sun exposure as stated above, is Dr. Julie Moore of Gottlieb Memorial Hospital. She says that sunlight is one of the best ways to treat psoriasis, so she recommends that her patients “sit out on the deck and give their affected areas a good sun bath.[ii]

Hallelujah! Common sense is beginning to penetrate the dermatology profession, as more dermatologists are climbing on the sunlight bandwagon each year.

Now go and spend some safe, non-burning time in the sunlight!

[i] Radack KP, Farhangian ME, Anderson KL, Feldman SR. A review of the use of tanning beds as a dermatological treatment. Dermatol Ther (Heidelb). 2015 Mar;5(1):37-51.

[ii] Science News, August 6, 2013. Summer sun good for psoriasis sufferers says Gottlieb dermatologist.

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I Feel it in my Gut: Sunlight Exposure is Associated with a Reduced Risk of Inflammatory Bowel Disease (IBD)

Marc Sorenson, EdD

IBD consists of two primary diseases, ulcerative colitis (UC) and Crohn’s disease (CD). UC is a chronic inflammatory condition characterized by relapsing and remitting episodes of inflammation limited to the mucosal layer of the colon. [1] Crohn’s however, can involve any part of the gastrointestinal tract from the mouth to the anus but most commonly affects the small intestine or the colon or both.[2] The most common symptoms of IBD are abdominal pain, weight loss, fever, rectal bleeding, skin and eye irritations and diarrhea.

In a 12-year year investigation of hundreds of thousands of IBD patients, measuring both UC and CD, hospitalizations and prolonged hospitalizations for both diseases were higher among those who had low sunlight exposure compared to those with very high sunlight exposure.[3] The same relationship was shown between sunlight, bowel surgeries and deaths; more surgeries were needed for those patients who experienced the lowest sunlight exposure compared to those who had the highest sunlight exposure, and more deaths occurred among those with low exposure.

An interesting side note to this investigation was that a large number of non-IBD patients were also analyzed for sunlight exposure amounts. As with the IBD patients, low sunlight exposure was associated with prolonged hospitalizations and more deaths when compared with high exposure.

French research has shown that high residential sun exposure is associated with a low risk of CD,[4] but not UC. Women who were in the highest third of sunlight exposure had only half the risk of CD compared to those in the lowest third, but UC was increased 21% by high sunlight exposure. This study was the only one I have seen—other than studies on non-melanoma skin cancer—that indicated a positive association of sunlight exposure with disease risk. None of the other studies mentioned here showed that relationship with UC.  Another interesting side note to this research was that vitamin D intake was not associated with decreased risk of CD.

It has also been shown that in both Europe and the US, there is a north-south gradient for IBD,[5] meaning that the risk of developing IBD is significantly lower for the southern latitudes (where sunlight exposure is greater). And finally, another French study has demonstrated that low sunlight exposure is associated with an increased incidence of Crohn’s disease.[6]

So for a healthy gut, sunlight exposure plays a vital role.

[1] Mark A Peppercorn, Adam S Cheifetz, Paul Rutgeerts, Shilpa Grover. Definition, epidemiology, and risk factors in inflammatory bowel disease. Uptodate http://www.uptodate.com/contents/definition-epidemiology-and-risk-factors-in-inflammatory-bowel-disease. Accessed July 1, 2015.

[2] Web MD http://www.webmd.com/ibd-crohns-disease/crohns-disease/inflammatory-bowel-syndrome. Accessed July 1, 2015.

[3] Limketkai BN1, Bayless TM, Brant SR, Hutfless SM. Lower regional and temporal ultraviolet exposure is associated with increased rates and severity of inflammatory bowel disease hospitalization. Aliment Pharmacol Ther. 2014 Sep;40(5):508-17.

[4] Jantchou P1, Clavel-Chapelon F, Racine A, Kvaskoff M, Carbonnel F, Boutron-Ruault MC. High residential sun exposure is associated with a low risk of incident Crohn’s disease in the prospective E3N cohort. Inflamm Bowel Dis. 2014 Jan;20(1):75-81.

[5] Schultz M1, Butt AG. Is the north to south gradient in inflammatory bowel disease a global phenomenon? Expert Rev Gastroenterol Hepatol. 2012 Aug;6(4):445-7.

[6] Nerich V1, Jantchou P, Boutron-Ruault MC, Monnet E, Weill A, Vanbockstael V, Auleley GR, Balaire C, Dubost P, Rican S, Allemand H, Carbonnel F. Low exposure to sunlight is a risk factor for Crohn’s disease. Aliment Pharmacol Ther. 2011 Apr;33(8):940-5.

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The Latest on Stopping Erectile Dysfunction with Sunlight.

Marc Sorenson, EdD, Sunlight Institute.

Anything that causes arterial plugging or prevents the relaxation of blood vessels can contribute to cardiovascular diseases (CVD). Poor diet, little exercise and lack of sunlight exposure form a combination that devastates vessel health and reduces the flexibility of those vessels. Among the CVD are ischemic heart disease, intermittent claudication (painful oxygen restriction to the legs), ischemia of the brain leading to strokes, peripheral artery disease and erectile dysfunction. Yes, I said erectile dysfunction. 

ED is considered one of the major predictors of CVD.[i] It is caused by inability of the corpus cavernosa, two cylindrical chambers that run the length of the penis, to become engorged with blood, causing erection. When the process takes place normally, the cavernosa are stimulated by nitric oxide (NO), they then relax, and blood flows into the penis, allowing erection to take place. Therefore, erection is a vascular event.[ii] The same effect is seen in blood pressure decreases caused by NO after sunlight exposure. Ultraviolet A (UVA) light stimulation of the skin causes the release of NO from pre-formed stores of NO in the skin. NO is a potent vasodilator, and when it is released into the arteries by UVA stimulation, causes increased blood flow and lowers blood pressure.[iii] The mechanism is much the same in both instances. This is another example of sunlight enhancing health without the benefit of vitamin D. UVA light, that stimulates nitric oxide release, does not stimulate the skin to produce vitamin D. 

An early study assessed the affect of ultraviolet light (UV) exposure to cavernosal strips, which were obtained from men during penile prosthetic surgery.[iv] The strips showed relaxation in response to UV, and the relaxation increased with the duration of exposure. We expect that sunbathing, which would profoundly increase NO in the circulation, would also vasodilate the cavernosa to allow erection. The same nitric oxide mechanism that lowers blood pressure, would seem to be a good method to treat ED. After all, drugs for ED, such as Viagra and Cialis, work by enhancing the effects of nitric oxide.[v] Sunlight is free and is a much better choice.

[i] Pastuszak AW, Hyman DA, Yadav N, Godoy G, Lipshultz LI, Araujo AB, Khera M. Erectile dysfunction as a marker for cardiovascular disease diagnosis and intervention: a cost analysis. J Sex Med 2015 Apr;12(4):975-84.

[ii] Marc Sorenson and William B. Grant. Does vitamin D deficiency contribute to erectile dysfunction? Dermatoendocrinol 2012 Apr 1; 4(2): 128–136.

[iii] Liu D, Fernandez BO, Hamilton A, Lang NN, Gallagher JM, Newby DE, Feelisch M, Weller RB. UVA irradiation of human skin vasodilates arterial vasculature and lowers blood pressure independently of nitric oxide synthase. J Invest Dermatol. 2014 Jul;134(7):1839-46.

[iv] Kim SC, Oh CH, Park JK, Lee MY, Uhm DY. Effects of ultraviolet light on the tension of isolated human cavernosal smooth muscle from non-diabetic and diabetic impotent men. Urol Res. 1997;25(2):149-52.

[v] Mayo Clinic Online. http://www.mayoclinic.org/diseases-conditions/erectile-dysfunction/in-depth/erectile-dysfunction/art-20047821. Accessed July 3, 2015.

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Alzheimer’sBDNFblood pressurebonebreast cancercancercircadian rhythmCovid-19deathdepressiondiabetesendorphinhealthheart diseaseHypertensioninflammationkidsmelanomametabolic syndromeMSmultiple sclerosismyopianitric oxidenutritionobesityosteoporosispregnancypsoriasisserotoninskin cancerSleepStrokesunsunburnsun exposuresunlightSunlight exposuresunscreensunshinetanning bedsUVUVAUVBvitamin dvitamin D deficiency