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Sun Questions

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by 432 · 31 minutes ago

I don't get much sun on my skin and won't use artificial bulbs. Also, I'd rather not use a supplement. I'm looking for exceptional food sources of vitamin-D, such as 50-100% in a single serving. (Cod liver oil, although it may qualify as a food... (more)

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Dragonfly 0 · August 09, 2012 at 3:03 AM

Personally, I would not want to eat as much fish as I would need in order maintain a good blood level of D3. The risk of mercury toxicity is too high in this day & age, IMO. For example, I personally need 6,000 IUs/day from sun and/or... (more)

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by 2199 · 35 minutes ago

Can you get vitamin D from being outside (in relative shade?) with indirect sunlight? I am sure it would be a fraction of direct sunlight exposure, but I was wondering if there was any significant vitamin d we can get from indirect sunlight. (more)

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Kamal 0 · July 07, 2012 at 3:06 PM

Not much, unfortunately. If the UV index outside is let's say at 5, then the UV index in shade will be...lower (I don't recall how much lower, but it's much lower). Combine that with the decreased per-unit of skin area production of vitamin D in... (more)

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by 1720 · about 1 hour ago

http://www.naturalnews.com/024256_sun_gazing_food_life.html http://tv.naturalnews.com/v.asp?v=3643BCF32DADD16E78D76598CB5145E7 http://tv.naturalnews.com/v.asp?v=AD2B2CC417ADBDA72640FB1E0DF5D48F (more)

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stephenj 0 · April 11, 2012 at 9:56 AM

This is obvious bullshit. Really. I can't understand how you could even begin to take it seriously. Three paragraphs in and the person advocating it claims to have fasted for 411 days. Mysterious claims about "energy." What kind of energy? How do... (more)

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by 85 · about 1 hour ago

What are some good ways to prevent sunburn and freckles and tan instead? I have heard coconut oil but am sort of scared to put it on my skin (isn't oil supposed to magnify light). I have very weird skin. Part of my face (along nose, and a little... (more)

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Tina_K 0 · April 09, 2012 at 11:42 AM

If you freckle and burn, chances are you have pheomelanin as your predominant form of melanin, which poorly tans (seen in redheads and lighter skinned folks, turns you more reddish and pink in response to sun). Eumelanin is the variant that... (more)

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by 385 · about 1 hour ago

I'm wondering if anyone else has a redheaded toddler that they've had to be concerned about sun exposure. My daughter has strawberry blonde hair and has the pale reddish skin that goes along with it. Last summer I basically didn't let her out of... (more)

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Dragonfly 0 · March 13, 2012 at 3:18 PM

My husband is very fair & we now live in Santa Fe, New Mexico, so we have to be very aware. My rule of thumb is 10 min exposure initially, gradually increasing it as the days get longer. When we are hiking, If he has even a hint of pink on... (more)

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by 1311 · about 1 hour ago

We are going to try to get pregnant towards the end of the year. I had a blood test recently which said I was deficient in Vitamin D. My level was 65 and it is supposed to be a minimum of 75 at the least. My doctor wants me to start supplementing... (more)

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stephenj 0 · February 24, 2012 at 6:11 AM

Gidday from New Zealand, where the ozone layer is even thinner. I've noticed since going more into full-on paleo and eating a lot of beef and lamb fat and butter and coconut oil that I burn a lot less easily. Eg, I sat outside at 1 pm yesterday... (more)

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by 175 · about 1 hour ago

There is no doubt that sun exposure is a very important factor in maintaining proper health, so I was wondering what can I do to achieve the best possible results with it in my climate ( I live in Poland, which has temperate climate ). Below are... (more)

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Ben_9 0 · November 30, 2011 at 11:15 AM

I live in the uk, and I gather that 1) Theres no vitamin d to be had for half of the year at least (see this calculator: http://nadir.nilu.no/~olaeng/fastrt/VitD-ez_quartMED.html 2)This is answered by the calculator above, but the general gist... (more)

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by 1720 · about 1 hour ago

Outside = nature, fresh air, enhanced mood, sun (vitamin D3), God's creation, wind, breeze, etc... Inside = house pollens, house toxins, dust, no sun, limited movement, etc... There could be positives and negatives in each, but I'm stating the... (more)

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Christopher 0 · October 31, 2011 at 7:11 PM

I think it comes down to how and where you live rather than indoor or outdoor. If you live outside next to a stagnant pond you might not do as well as indoors in a house built on a mountaintop.

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by 768 · about 1 hour ago

...since eating the paleo way, which I started about 1.5 years ago. I am generally a bit tanner than most people already and do not burn easily. I never thought too much about it until today, when I was in the direct sun (fall in Southern... (more)

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The_Quilt 0 · October 23, 2011 at 4:58 AM

Accutane and high vitamin A levels in the skin will make you less susceptible to tans. Also extended uses of coconut oils orally and topically will do the same when your phospholipid membranes are replaced by better FFA mixes. Higher Vitamin D... (more)

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by 5002 · about 1 hour ago

I've been paleo for 9 months. In the last three days my appetite has disappeared and I'm not sure how to interpret it. This coincides with three substantial changes that I started three days ago. I skip breakfast and don't eat until noon. I... (more)

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Katherine 0 · September 02, 2011 at 2:04 AM

the skipping breakfast thing...ketosis can be a pretty powerful appetite suppressant.

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by 480 · about 1 hour ago

Let's end this one with some certainty....there are so many conflicting POVs: Is supplemental vitamin D somehow different than sunshine in that it uses up magnesium and retinol to be converted? Do you need more supplemental retinol (vit A) when... (more)

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The_Quilt 0 · August 31, 2011 at 1:12 AM

Main reason for vitamin A is that it is a co factor for endogenous steroid genesis with T3 to convert cholesterol to pregnenolone. As for supplementation vitamin A can inhibit D to a certain extent. CM has a theory that vitamin A protects from... (more)

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by 8933 · about 1 hour ago

I have a vitamin D deficiency, and went on vacation to the beach, and after that I immediately went to France (great meat there, and great eggs :D). The weather wasn't that bad, but as soon as there was a lot of sun I immediately went outside and... (more)

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Rogue_Nutritionist 0 · August 14, 2011 at 4:27 PM

Once your skin begins to turn pink, you are not absorbing vitamin D any more, only damaging your skin. You can gradually build up the amount of time it takes to get to that point...the darker your skin, the less efficient your body is at making... (more)

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by 3499 · about 1 hour ago

Hi all, I'm on vacation this week and soaking up some rays at the beach. this is the only time of the year that I wear sunscreen, since my skin is on the fair side (and slow to tan) and i'm easily getting 3+ hours of sun daily on the parts that... (more)

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Ed 0 · August 10, 2011 at 11:52 PM

"Sun poisoning" is an imprecise term that can refer to more than one condition. You have described your condition as sunburn plus nausea, fever and chills. This is actually a combination of sunburn with dehydration. The treatment for this... (more)

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by 480 · about 1 hour ago

Who gets them? Why do people get them? Whats the relationship to vitamin D production? Have always always had some freckles, mostly faint on the face. Historically have always burned slightly in early summer then gotten very dark. Now, since... (more)

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Ambimorph 0 · July 20, 2011 at 5:43 PM

If I understand correctly, freckles are just the result of a uneven distribution of melanocytes, and it's genetic whether you have this distribution or not. I'm not sure this makes sense, but maybe the progression with increasing sunlight... (more)

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by 45 · about 1 hour ago

So two months ago I decided to go paleo a) to lose about 20 lbs and b) because I have an autoimmune disorder and developed solar urticaria (sun allergy) as a result last year. So far I've lost about 10-12 lbs but I'm wondering if anyone has had... (more)

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being 0 · May 07, 2011 at 1:16 AM

i have multiple sclerosis, diagnosed in september 2008, and also some weight to lose. i went paleo in october 2010, and immediately felt just "better". within a month, i stopped my medication (sort of an accident, or as a result of extended... (more)

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by 25467 · about 1 hour ago

I don't at all. I believe you get skin cancer by already having a faulty immune system and then getting ionizing radiation on top of it that causes cellular oncogene transcription. Take a look at this very recent study out of Australia. It's in... (more)

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Marie 0 · April 28, 2011 at 3:52 PM

I don't mess with the sun. 50 biopsies, 10 severely diplastic, no melanoma, yet, blond/blue w/ family history of skin cancer and a personal history of being "cocoa brown year 'round" for the first 24 years of my life means I take my skin care... (more)

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by 7324 · about 1 hour ago

The question was inspired by this study link text where cocoa flavanols were shown to increase protection from sun damage. Are there any other foods that would help do this? I am very pale and I'd like to avoid using sunscreen as much as possible... (more)

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FanOfSunshine 0 · April 06, 2011 at 4:03 AM

"In Dr Sharon Moalem???s book The ??? Survival of the Sickest ??? we learn about one negative side to wearing sunglasses. When your skin color changes through exposure to the sun it???s because of melanin, a skin pigment created by the pituitary... (more)

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by 19220 · about 2 hours ago

It seems that everyone knows the figure of upto 10,000 units of Vitamin D from 20 minutes full body sun exposure for a pale skinned person. After a time more Vitamin D is not made despite further sun exposure as the process is regulated preventing... (more)

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James_3 0 · January 15, 2011 at 10:44 PM

I had looked at it a while back. The 10,000 units comes from a study. It's really between 10k and 25k units (lot of variables like location, skin color, etc). Basic idea is that Ultra Violet B (UVB) interacts with a type of cholesterol in the... (more)

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by 5232 · about 2 hours ago

I was working on a retort to Icko, when I found a dandy article paleo-friendly WAPF leader Chris Masterjohn wrote about the ideal blood levels of vitamin D. He claims that we know that Vitamin D levels should be at least 30 to 35 ng/ml, but we... (more)

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Kamal 0 · November 12, 2010 at 3:19 PM

I was part of the group that was hired by the federal government to do the Vitamin D systematic review. It is a beastly 420 page report, available for free here. In summary, there are 200-300 vitamin D trials that have been conducted. Evidence... (more)

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by 2427 · about 2 hours ago

I live in the place with the world's highest skin cancer rates. That is, Queensland, Australia. Next highest would be Arizona, for comparison. So how do I get enough sunlight for vitamin D, without risking skin cancer?

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Eva 0 · November 12, 2010 at 3:36 AM

The trick is to get sun enough to tan but never to burn. YOu can get a tad pink but should not be red the next day nor should you peel. Newer research shows that two things are positively correlated with malignant melanoma (that's the nasty kind... (more)

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by 24523 · about 2 hours ago

Are there any MEASURABLE ones you know of? I hope so, because that's one more motivation for me to move to Hawaii. My half-baked prediction: we don't know quite enough about the body yet, but something will pop up in the next 10-20 years. (more)

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Kamal 0 · September 18, 2010 at 6:26 AM

Sorry, just found this: "The sun may be best known for boosting production of vitamin D, but there are many other UVR-mediated effects independent of this pathway." Direct immune suppression. Exposure to both UVA and UVB radiation can have... (more)

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by 9647 · about 2 hours ago

You know what I mean: how long do improved vitamin D levels last? If I had a good summer of sun exposure without burning will this help me through the winter? What if I have three good summers in a row and then go for 12 months with no sun... (more)

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Ted_Hutchinson 0 · September 16, 2010 at 10:14 PM

If you look at this graph you see that in the UK vitamin D status declines from September through to March. It is however no good thinking that the levels humans attain now through sunlight are in any way comparable to those that would have been... (more)

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by 10502 · about 2 hours ago

Following on Melissa's question here: http://paleohacks.com/questions/9771/how-do-you-blackout-your-windows-to-sleep-better for those of you who have successfully blacked out your bedroom, how do you get up? I have installed heavy curtains that... (more)

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PaleoGran 0 · September 08, 2010 at 10:45 AM

This article states that the pineal gland starts secreting melatonin at ca. 9 P.M. It makes sense that going to bed early enough, in order to be asleep by 9 P.M. would help ensure enough rest to get up... (more)

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by 1997 · about 2 hours ago

Hi! This may seem like a silly question, but what does "getting sun" actually mean in the paleo sense? Sun rays directly on skin? With sunscreen? Being outside but completely covered in clothes/hat? I really don't like being in the sun, but I... (more)

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Chris_1 0 · August 01, 2010 at 1:33 AM

No sunscreen. As little clothing as possible. Sun directly overhead. If you burn easily, the following two things increase the duration you can spend exposed to the sun without burning: Supplementing with around 4000-10,000IU vitamin... (more)

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by 3651 · about 2 hours ago

I just had my Vitamin D blood level checked. I took about 10K of Vitamin D3 supplements during the Spring and Winter and sometimes now when I don't get enough midday sun. I try to get sun exposure for about 30 min to an hour a day at least, more... (more)

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grace 0 · July 06, 2010 at 6:13 PM

I love vitamin D, a potent hormone, but one has to be careful of exceeding biological thresholds that may not be sustained via evolutionary negative and positive feedback hormone loops... e.g. when we use supplements we can easily over do it. This... (more)

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