Skip to main content

What Is Calcium? Why Do I Need Calcium?

What Is Calcium? Why Do I Need Calcium?, Medical News Today, August 14, 2012. Calcium is a chemical element which is essential for all living organisms, and is  vital for strong bones and healthy communication between the brain and various parts of the body. A 2010 study carried out in North Carolina State University found that adequate calcium early in life may protect against obesity later on.