The body absorbs a smller percentage of calcium from food sources, but vitamin D aids in calcium absorption, so be sure to consume vitamin D - rich foods such as egg yolks and fortified cereals.

• 人体从食物中吸收的钙相对要少一些，但食物中所含的维生素D能够帮助钙的呼吸，因此，我们需要多吃富含维生素D的食品，如蛋黄、谷类等。