| | Why You Need Calcium Calcium is needed for strong bones and teeth, but that's not all. It's also important for normal blood clotting, and for healthy muscle and nervous system function. Read more | Calcium Deficiency Long-term calcium deficiency can lead to osteopenia, which is a loss of bone density. Osteopenia may progress into osteoporosis, a health condition where bones become weak and brittle. Read more | Tips for Getting More Calcium Most adults need from 1,000 to 1,200 milligrams (mg) calcium per day and teenagers need about 1,300 mg per day. Your body also needs adequate amounts of vitamin D to be able to utilize calcium properly. Read more | Vitamin D Vitamin D is required by your body to absorb and utilize calcium, which keeps your bones and teeth strong. A vitamin D deficiency leads to weakened bones and rickets in children and osteomalacia in adults. Read more | | | | Nutrition Ads | | | | Featured Articles | | | | More from About.com | | | | | | Free Children's Books How would you like to have access to a free online public library of books from around the world for kids 3 to 13? Read more...>
| | | | Best Water Parks Better pack your bathing suit -- here are our recommendations for the funnest, wettest, splashiest water parks around. Read more...>
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