And vitamin D produces hormones that brighten your mood.

而维生素D会产生让你心情愉悦的激素。

So maybe we don't get enough vitamin D?

所以我们可能没有得到足够的维他命D？

It also makes vitamin D and substances that help digestion.

它还生产维他命D和 其他帮助消化的一些物质。

So with less vitamin D, cholesterol levels might rise.

因此，维生素D减少，胆固醇水平可能会上升。

Basically the more Vitamin D, the more an enzyme CYP3A4 is produced.

基本上，维生素D越多，产生的CYP3A4酶就越多。

Too much Vitamin D can cause heart problems, kidney damage and other medical conditions.

过量服用维生素D会导致心脏问题、肾脏损害和其他疾病。

Active vitamin D then goes on to cause the gastrointestinal tract to increase calcium absorption.

活性维生素D继续作用于消化道，增加钙的吸收。

But When they gave high vitamin D and normal vitamin A, they got hypervitaminosis D.

但是当给予火鸡大剂量的维生素 D 和正常量的维生素 A 时，他们则会出现维生素D过多症。

Secondly, vitamin D must become metabolically active, and this process also has two steps.

其次，维生素D需要有代谢活性，这一过程细分为两步。

Persons who are on higher amounts of vitamin D or have higher amounts of vitamin D will have less anxiety and depression.

那些自摄入更多维生素D的人或自身维生素D含量较高的人焦虑和抑郁的程度较低。

Furthermore, there is evidence to suggest that Vitamin D helps prevent cancer, heart disease and depression.

此外，有证据表明维生素D有助于预防癌症、心脏病和抑郁症。

Finally, there's also an increasing interest in the role of vitamin D as an effective treatment.

人们对于维生素D的治疗效果也在持续观望中。

It's crucial for building cells and helps the body make vitamin D, along with testosterone and estrogen.

它对构建细胞至关重要，并帮助身体制造维生素D，以及睾酮和雌激素。

Inadequate bone mineralization could be due to a deficient or impaired metabolism of vitamin D, phosphate or calcium.

骨矿化不全可能由维生素D、磷酸盐或钙代谢障碍引起。

So they benefited from vitamin D, developed strong bones, and survived well enough to produce healthy offspring.

得益于充足维生素D的合成，他们的骨骼更加强壮而且更有利于生存 抚育健康后代。

Another study published in the journal Menopause found a link between more vitamin D and lower cholesterol levels.

发表在《更年期》杂志上的另一项研究发现，维生素D含量增加与胆固醇水平降低之间存在联系。

Even so, some argue that vitamin D supplementation alone is not as good as vitamin D your body synthesizes in response to sunlight.

尽管如此，一些人认为单独服用维生素 D 保健食品不如你的身体对阳光反应所合成的维生素 D 效果好。

And vitamin D from sunshine can help your body to absorb certain minerals which are linked to building stronger bones.

阳光中的维生素 D 可以帮助你的身体吸收某些矿物质，这些矿物质与强健骨骼有关。

Sunlight supplies your body with a healthy amount of vitamin D, which makes you feel happy, inspired, and energetic.

阳光为身体提供健康数量的维生素 D，让你感到快乐、振奋和精力充沛。

Although we get vitamin D from food like fish and eggs, we can also get it from the sun!

虽然我们可以从鱼类、蛋类等食物中获得维他命D，但是我们也能从阳光中获得维他命D。