Osteoporosis is a disease that causes bones to become thin, weak, and break easily. Osteoporosis is called a "silent disease". You can't feel or see your bones getting thinner. Many people do not even know that they have osteoporosis until a bone breaks.
The most common bones to break as a result of osteoporosis are in the spine, wrist, or hip. A broken bone can interfere with your daily activities and can have serious consequences.