How Much Do You Know about Vitamin D?翻译
你了解维生素D吗？
1. You may know all about vitamin C, but do you know why vitamin D is also important to your body? Experts from the Children‘s Hospital in Boston, the US, have said that some teenagers don’t get enough of this important nutrient.翻译
你也许非常了解维生素C，但你知道为什么维生素D对身体也很重要吗？来自美国波士顿儿童医院的专家说一些青少年没有摄取足够的维生素D。
2. Vitamin D is necessary to develop healthy bones. It is produced by the body with the help of sunlight. It can also be found in certain foods and drinks, such as meat and eggs. However, it is difficult to get enough vitamin D from food alone, which means enjoying the sunshine is very important.翻译
维生素D是骨骼健康生长所必须的。我们的身体在阳光的帮助下产生维生素D。在某些食品和饮料，如肉和蛋里，也有维生素D。然而，单从食物中获取足够的维生素D是很难的，这意味着，阳光非常重要。
3. The doctors who ran the study tested 307 young people to discover how much vitamin D was in their blood. They found that among 74 of the children tested-nearly 25 percent-lacked vitamin D. Of those 74, 14 were severely short of the nutrient.t t翻译
主持这项研究的医生测试了307名青少年，以发现他们血液中维他命D的含量。他们发现在被测试的74名儿童中，几乎25%的儿童缺乏维生素D，有14名儿童严重缺乏维生素D。
4. The doctors also found that the amount of the vitamin found in a child’s blood was affected by a number of factors. Vitamin D levels drop in winter, probably because less time is spent outside in the sunlight. Eating habits are also a key factor. So those who are particular about food tend to have the problem of lacking vitamin D.翻译
医生还发现，儿童血液中维生素D含量的高低受多种因素的影响。维生素D水平在冬季下降，可能是因为冬季在外面晒太阳的时间比较少的原因。饮食习惯也是一个关键因素。所以那些挑食的人往往有缺乏维生素D的问题。
5. Even skin color has an influence, as people with darker skin find it more difficult to produce the vitamin.翻译
甚至肤色也会带来影响，肤色比较黑的人比较难以产生维生素D。
6. Not having enough vitamin D can lead to many health problems for both children and adults. It is also believed that low levels of it can cause depression.翻译
缺乏太多的维生素D会给儿童和成人都带来健康问题。人们还认为，维生素D含量低下可能引起抑郁。