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Why Fuss About Calcium

- Building and maintaining bones and teeth
- Blood clotting (when you get hurt, your blood turns into a hard scab to prevent more blood leaking out)
- Transmitting nerve impulses.
- Regulating heartbeat
You need Calcium to build strong bones, especially when you are in your tweens and teens. At this age you need more Calcium, even more than adults, to build healthy, strong bones.
Women who have just passed menopause lose bone mass the fastest and are at the greatest risk for Osteoporosis. Many adults, but especially post-menopausal women, lose bone mass very quickly and may fracture their bones very easily.
Osteoporosis is most likely to develop if you do not build enough bone mass when you are young. It is very important to have enough Calcium and Vitamin D when you are still growing.
Not having enough Calcium can also increase your risk of hypertension, muscle cramps, colon cancer and pre-eclampsia (a complication in pregnancy).
The chart on the right will give you an idea of how much Calcium you need every day at different life stages. (Source: Dietary Reference Intakes (DRIs): Food and Nutrition Board, Institute of Medicine, National Academies.)
One glass of milk (250 ml) contains approximately 300 mg of Calcium.