关于维生素D和晒太阳 你可能永远不知道的15个事实
Fifteen facts you probably never knew about vitamin D and sunlight exposure
维生素D可以预防骨质疏松、抑郁、前列腺癌、乳腺癌，甚至还会影响糖尿病和肥胖症。维生素D可能是营养世界中最被低估的营养素。这可能是因为它是免费的:当阳光照射到你的皮肤时，你的身体就会发出这种声音。制药公司不能卖给你阳光，所以没有推广它的保健作用。事实上，大多数人都不知道维生素D和健康的真实情况。下面是麦克·亚当斯和迈克尔·霍利克医生的一次访谈。
维生素D可以预防骨质疏松、抑郁、前列腺癌、乳腺癌，甚至还会影响糖尿病和肥胖症。维生素D可能是营养世界中最被低估的营养素。这可能是因为它是免费的:当阳光照射到你的皮肤时，你的身体就会发出这种声音。制药公司不能卖给你阳光，所以没有推广它的保健作用。事实上，大多数人都不知道维生素D和健康的真实情况。下面是麦克·亚当斯和迈克尔·霍利克医生的一次访谈。
维生素D是由你的皮肤，在受到自然阳光的紫外线辐射时产生的。
天然阳光(在你的皮肤中产生维生素D)的疗愈射线不能穿透玻璃。所以当你坐在车里或家里时，你不会产生维生素D。
从你的饮食中摄取足够的维生素D几乎是不可能的。阳光照射是在你体内产生维生素D的唯一可靠方法。
一个人每天必须喝10杯高剂量的维生素D强化牛奶，才能在他们的饮食中获得最低水平的维生素D。
你离赤道越远，为了产生维生素D，你需要在阳光下曝晒的时间越长。加拿大、英国和美国大多数州都离赤道很远。
深色皮肤的人可能需要20 - 30倍的阳光照射，对比皮肤白皙的人，才能产生等量的维生素D。这就是为什么前列腺癌在黑人男性中流行的原因——这是一个简单的，但普遍的，阳光不足的原因。
维生素D的充足水平对钙的吸收至关重要。如果没有足够的维生素D，你的身体就不能吸收钙，导致钙补充剂毫无用处。
慢性维生素D缺乏不能在一夜之间逆转:需要几个月的维生素D补充和阳光照射来重建身体的骨骼和神经系统。
即使是微弱的防晒霜(SPF=8)也会阻碍你的身体生成维生素D的95%。这就是防晒产品实际上是如何引起疾病的——它会在体内造成严重的维生素缺乏症。
在你的身体里，不可能从阳光照射下产生过多的维生素D:你的身体会自我调节，只会产生它需要的东西。
如果你用力按压胸骨感到疼痛，你可能患上了慢性维生素D缺乏症。
维生素D在使用前被你的肾脏和肝脏“激活”。
有肾病或肝损伤会严重损害你的身体激活循环维生素D的能力。
防晒霜行业不希望你知道你的身体真的需要阳光照射，因为这意味着防晒霜产品的销量会下降。
虽然维生素D是你身体中最强大的治愈化学物质之一，你的身体制造它绝对是免费的。不需要处方。
在阳光照射的问题上，顺便说一下，超级抗氧化剂能大大提高你的身体处理阳光的能力，而不需要灼伤皮肤。虾青素是最强大的“内部防晒霜”之一，它可以让你在阳光下呆上两倍，而不导致皮肤灼伤。其他功效强大的抗氧化剂包括像巴西莓、石榴(POM奇妙果汁)、蓝莓等。
维生素D缺乏导致的疾病和健康问题:
骨质疏松症通常是由于缺乏维生素D，严重影响钙的吸收。
充足的维生素D可以预防前列腺癌、乳腺癌、卵巢癌、抑郁症、结肠癌和精神分裂症。
“佝偻病”是由于缺乏维生素D而引起的骨质疏松症的名称。
维生素D缺乏症可能会加重2型糖尿病，并影响胰腺中的胰岛素分泌。
肥胖会损害体内的维生素D的利用率，这意味着肥胖的人需要二倍的维生素D。
全世界都在用维生素D治疗牛皮癣。
缺乏维生素D会导致精神分裂症。
季节性情绪失调是由于缺乏阳光照射引起的褪黑素失衡引起的。
慢性维生素D缺乏通常被误诊为纤维肌痛症，因为它的症状很相似:肌肉无力，疼痛和疼痛。
通过简单的，合理的暴露在自然阳光下每周2-3次，你患糖尿病和癌症等严重疾病的风险降低了50% - 80%。在接下来的20年里，接受维生素D补充的婴儿(每天2000单位)患1型糖尿病的风险降低80%。
令人震惊的维生素D缺乏统计:
32%的医生和医学院学生缺乏维生素D。
40%的美国人缺乏维生素D。
42%的非裔美国育龄妇女缺乏维生素D。
48%的年轻女孩(9-11岁)缺乏维生素D。
60%的医院病人缺乏维生素D。
76%的孕妇严重缺乏维生素D，导致她们未出生的孩子普遍缺乏维生素D，导致她们在今后的生活中患上1型糖尿病、关节炎、多发性硬化症和精神分裂症。这些母亲生下来的孩子有81%都有缺陷。
高达80%的疗养院病人缺乏维生素D。
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参考文献：
Fifteen facts you probably never knew about vitamin D and sunlight exposure
(Compiled by Mike Adams, based on an interview with Dr. Michael Holick, author, The UV Advantage)
Vitamin D prevents osteoporosis, depression, prostate cancer, breast cancer, and even effects diabetes and obesity. Vitamin D is perhaps the single most underrated nutrient in the world of nutrition. That's probably because it's free: your body makes it when sunlight touches your skin. Drug companies can't sell you sunlight, so there's no promotion of its health benefits. Truth is, most people don't know the real story on vitamin D and health. So here's an overview taken from an interview between Mike Adams and Dr. Michael Holick.
Vitamin D is produced by your skin in response to exposure to ultraviolet radiation from natural sunlight.
The healing rays of natural sunlight (that generate vitamin D in your skin) cannot penetrate glass. So you don't generate vitamin D when sitting in your car or home.
It is nearly impossible to get adequate amounts of vitamin D from your diet. Sunlight exposure is the only reliable way to generate vitamin D in your own body.
A person would have to drink ten tall glasses of vitamin D fortified milk each day just to get minimum levels of vitamin D into their diet.
The further you live from the equator, the longer exposure you need to the sun in order to generate vitamin D. Canada, the UK and most U.S. states are far from the equator.
People with dark skin pigmentation may need 20 - 30 times as much exposure to sunlight as fair-skinned people to generate the same amount of vitamin D. That's why prostate cancer is epidemic among black men -- it's a simple, but widespread, sunlight deficiency.
Sufficient levels of vitamin D are crucial for calcium absorption in your intestines. Without sufficient vitamin D, your body cannot absorb calcium, rendering calcium supplements useless.
Chronic vitamin D deficiency cannot be reversed overnight: it takes months of vitamin D supplementation and sunlight exposure to rebuild the body's bones and nervous system.
Even weak sunscreens (SPF=8) block your body's ability to generate vitamin D by 95%. This is how sunscreen products actually cause disease -- by creating a critical vitamin deficiency in the body.
It is impossible to generate too much vitamin D in your body from sunlight exposure: your body will self-regulate and only generate what it needs.
If it hurts to press firmly on your sternum, you may be suffering from chronic vitamin D deficiency right now.
Vitamin D is "activated" in your body by your kidneys and liver before it can be used.
Having kidney disease or liver damage can greatly impair your body's ability to activate circulating vitamin D.
The sunscreen industry doesn't want you to know that your body actually needs sunlight exposure because that realization would mean lower sales of sunscreen products.
Even though vitamin D is one of the most powerful healing chemicals in your body, your body makes it absolutely free. No prescription required.
On the issue of sunlight exposure, by the way, it turns out that super antioxidants greatly boost your body's ability to handle sunlight without burning. Astaxanthin is one of the most powerful "internal sunscreens" and can allow you to stay under the sun twice as long without burning. Other powerful antioxidants with this ability include the superfruits like Acai, Pomegranates (POM Wonderful juice), blueberries, etc.
Diseases and conditions cause by vitamin D deficiency:
Osteoporosis is commonly caused by a lack of vitamin D, which greatly impairs calcium absorption.
Sufficient vitamin D prevents prostate cancer, breast cancer, ovarian cancer, depression, colon cancer and schizophrenia.
"Rickets" is the name of a bone-wasting disease caused by vitamin D deficiency.
Vitamin D deficiency may exacerbate type 2 diabetes and impair insulin production in the pancreas.
Obesity impairs vitamin D utilization in the body, meaning obese people need twice as much vitamin D.
Vitamin D is used around the world to treat Psoriasis.
Vitamin D deficiency causes schizophrenia.
Seasonal Affective Disorder is caused by a melatonin imbalance initiated by lack of exposure to sunlight.
Chronic vitamin D deficiency is often misdiagnosed as fibromyalgia because its symptoms are so similar: muscle weakness, aches and pains.
Your risk of developing serious diseases like diabetes and cancer is reduced 50% - 80% through simple, sensible exposure to natural sunlight 2-3 times each week.
Infants who receive vitamin D supplementation (2000 units daily) have an 80% reduced risk of developing type 1 diabetes over the next twenty years.
Shocking Vitamin D deficiency statistics:
32% of doctors and med school students are vitamin D deficient.
40% of the U.S. population is vitamin D deficient.
42% of African American women of childbearing age are deficient in vitamin D.
48% of young girls (9-11 years old) are vitamin D deficient.
Up to 60% of all hospital patients are vitamin D deficient.
76% of pregnant mothers are severely vitamin D deficient, causing widespread vitamin D deficiencies in their unborn children, which predisposes them to type 1 diabetes, arthritis, multiple sclerosis and schizophrenia later in life. 81% of the children born to these mothers were deficient.
Up to 80% of nursing home patients are vitamin D deficient.
What you can do:
Sensible exposure to natural sunlight is the simplest, easiest and yet one of the most important strategies for improving your health. I urge you to read the book, "The UV Advantage" by Dr. Michael Holick to get the full story on natural sunlight. You can find this book at most local bookstores or through BN.com, Amazon.com, etc. Note: This is not a paid endorsement or an affiliate link. I recommend it because of its great importance in preventing chronic disease and enhancing health without drugs or surgery. This may be the single most important book on health you ever read.If more people understood this information, we could drastically reduce the rates of chronic disease in this country and around the world. Sunlight exposure is truly one of the most powerful healing therapies in the world, far surpassing the best efforts of today's so-called "advanced medicine." There is no drug, no surgical procedure, and no high-tech procedure that comes even close to the astonishing healing power of natural sunlight.
And you can get it free of charge. That's why nobody's promoting it, of course.
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About the author: Mike Adams is a consumer health advocate with a strong interest in personal health, the environment and the power of nature to help us all heal He has authored more than 1,500 articles and dozens of reports, guides and interviews on natural health topics, impacting the lives of millions of readers around the world who are experiencing phenomenal health benefits from reading his articles. Adams is an independent journalist with strong ethics who does not get paid to write articles about any product or company. In 2007, Adams launched EcoLEDs, a maker ofsuper bright LED light bulbs that are 1000% more energy efficient than incandescent lights. He also founded an environmentally-friendly online retailer called BetterLifeGoods.com that uses retail profits to help support consumer advocacy programs. He's also a veteran of the software technology industry, having founded a personalized mass email software product used to deliver email newsletters to subscribers. Adams also serves as the executive director of the Consumer Wellness Center, a non-profit consumer protection group, and regularly pursues cycling, nature photography, Capoeira and Pilates. Known as the 'Health Ranger,' Adams' personal health statistics and mission statements are located at www.HealthRanger.org
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