As we age, we all lose bone mass. Whether or not you get osteoporosis later in life depends on how big and dense your bones become during your developing years, and how much bone mass you lose after that. If you start off with bigger and denser bones and if you lose less bone mass as you get older, you will have more left in later years. Calcium maintains normal heartbeat and regulates blood pressure. It may play a part in reducing your risk of high blood pressure.
Calcium is important for normal blood clotting, which is essential for wound healing.
Calcium may offer protection from colon cancer in some individuals. Calcium is needed for proper functioning of the nervous system. Calcium is required for muscle contraction and relaxation, which make movement possible. While your genetic make-up plays a major role in determining the size and density of your bones, your lifestyle is also important. Regular physical activity and a diet rich in calcium are the best preventive measures.