vitamin d deficiency rickets

基本解释

The body needs the sun to manufacture vitamin D and a deficiency can lead to serious problems such as rickets and osteoporosis.
身体需要阳光的照射才能制造维生素D，如果光照不足就会引发一系列的问题，如佝偻病和骨质疏松症。
Vitamin D Exclusively breastfed healthy, full-term infants from birth to six months who have adequate exposure to sunlight are not at risk for developing vitamin D deficiency or rickets.
维生素D 纯母乳喂养的，健康足月宝宝从出生到六个月如晒太阳时间足够，就不会有维生素D缺乏症或佝偻病风险。
In fact, in some parts of the country, rickets, which is caused by vitamin D deficiency, is on the rise.
事实上，在我国的一些地区，由于缺乏维生素D，患佝偻病的人数正在上升。

But is the prevention of severe vitamin D deficiency such as rickets all we need to know?
FORBES: Vitamin D: Still More Questions Than Answers
Still, we can try to correlate vitamin D levels with obvious deficiency diseases such as rickets, but the environmental studies that look at other possible effects are problematic.
FORBES: Vitamin D: Still More Questions Than Answers