Bone-loss discovery points to potential treatment for osteoporosis, rheumatoid arthritis

The findings from University of Virginia School of Medicine researchers and their collaborators help explain why specialized bone cells, called "osteoclasts," begin to break down more bone than the body replaces. With more research, scientists one day may be able to target that underlying cause to prevent or treat bone loss.

The discovery also suggests an answer for why some previous attempts to develop osteoporosis treatments produced disappointing results.

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