A bone density scan tells you if you have osteopenia or osteoporosis. What it won't tell you is if you're still actively losing bone right now. Many people don't even know they have bone loss, but with the help of serum CTX, early detection is possible, and you can take the necessary precautions to protect yourself from further bone loss. If you’ve been told you have osteoporosis and bone loss, you need to watch this! This is the #1 test for understanding whether you're still actively losing bon