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Calcium Ca
Atomic Number: 20
Atomic Weight: 40.078
Human Physiology:
- 5th most abundant element
- crucial to heart, nerve, muscle function
- necessary for bone strength
- RDA for women is 20 mcg/day; men require less
Sources:
- Dairy products
- Green leafy vegetables
- Salmon, sardines, shellfish
- Dried beans
- Almonds, Brazil nuts
Deficiency:
- Osteoporosis
- Tetany
- Spasms
- Cramps
- Rickets (children)
- Slow growth
Excess:
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