Ok, now vitamin D deficiency is the most common cause of both rickets and osteomalacia.

好，维生素D缺乏是引起佝偻病、骨软化症最常见的原因。

Both conditions result in an active vitamin D deficiency, which leads to impaired bone mineralization.

这些疾病均会导致活性维生素D缺乏，引起骨矿化障碍。

Vitamin D deficiency will affect 25% of adults.

维生素 D 缺乏会影响 25% 的成年人。

Causes of vitamin D deficiency include intestinal malabsorption which can be seen with celiac disease or Crohn's disease, not enough UV light exposure, like in homebound, elderly populations.

引起维生素D缺乏的因素包括：小肠吸收不良，可见于乳糜泻和克罗恩病；紫外线照射不足，常见于久居家中的老年人。

I believe that the public health problem for vitamin D deficiency is quite significant.

我认为维生素 D 缺乏的公共卫生问题相当严重。

It would have been tremendous to have averted or prevented significant vitamin D deficiency.

如果能够避免或预防严重的维生素 D 缺乏症， 那就太好了。

Now look at these 2 sentences: I believe that vitamin D deficiency might become common among adults.

现在看看这两句话：我相信维生素 D 缺乏症可能在成年人中变得普遍。

He focused on breathing techniques to assist with his asthma, and by exercising outside in his shorts, was able to cure his rickets which is caused by a vitamin D deficiency.

他专注于呼吸技巧以帮助改善他的气喘，借由穿着短裤在户外运动，他能够治疗因为缺乏维他命 D 所引起的佝偻病。

In review studies, researchers have linked vitamin D deficiency to depression, particularly in older adults.

在综述研究中，研究人员将维生素D缺乏与抑郁症联系起来，尤其是老年人。

How to correct of vitamin D deficiency, and its very simple, vitamin D deficiency is incredibly common, and most people are unaware of it.

如何纠正维生素D缺乏症，很简单，维生素D缺乏症非常普遍，大多数人都不知道。

These are common risk factors for vitamin D deficiency, being elderly, not eating much fish or milk.

这些都是维生素D缺乏的常见风险因素，如年龄大，不吃鱼或牛奶。

One study on patients who had dental surgery found that certain aspects of healing were compromised by vitamin D deficiency.

一项对做过牙科手术的病人的研究发现，某些方面的愈合受到维生素D缺乏的影响。

Hair loss may be a sign of vitamin D deficiency in female pattern, hair loss, for the auto, immune condition, Alyosha Arena.

脱发可能是女性缺乏维生素D的标志，脱发，为汽车，免疫条件，阿廖沙竞技场。原文：Number seven。Local pain。译文：7，局部疼痛。

OK, now you can try it. Listen to this sentence: It would have been tremendous to have averted or prevented significant vitamin D deficiency.

好的，现在你可以试试了。听听这句话：如果能够避免或预防严重的维生素 D 缺乏症， 那就太好了。

Fortunately, a vitamin D deficiency is usually easy to fix. You can either increase your sun exposure, eat more vitamin D rich foods, or simply take a supplement.

幸运的是，维生素D缺乏通常很容易修复。你可以增加晒太阳的时间，多吃富含维生素D的食物，或者简单地服用补充剂。

As people with darker skin are most at risk from vitamin D deficiency, more research on how UV exposure affects this population is called for, says Frank de Gruijl, an emeritus professor of dermatology at Leiden University Medical Centre.

莱顿大学医学中心皮肤病学名誉教授 Frank de Gruijl 表示， 由于皮肤较黑的人最容易缺乏维生素 D，因此需要对紫外线照射如何影响这一人群进行更多研究。