The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.
The site is secure.
The
https://
ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.
Learn about osteoporosis — a disease that weakens bones — including risk factors, early signs and osteopenia, bone density testing, treatment, and prevention.