Bone density refers to how much calcium and other minerals make up your bones. When your bones have more minerals, they have a higher bone density, meaning they're stronger and less likely to break.

Lindsay Curtis is a health & medical writer in South Florida. She worked as a communications professional for health nonprofits and the University of Toronto’s Faculty of Medicine and Faculty of ...

You may think of weak bones as something only the elderly need to worry about, but by the time you turn the big 4-0, your bone density starts to decline, says Vonda Wright, M.D., a ...