Osteoporosis is is the following bone disease: bone mass is low, and bone tissue becomes deteriorated. This disease can lead to bone fragility or fracture, particularly in the spine, hip and wrist.

Osteoporosis does not have any obvious symptoms, and it is usally a gradual bone-loss process. Osteoporosis usually affects older adults, especially women. Bone mineral density tests can help to detect the early osteoporosis signs.

To prevent osteoporosis, sufficient calcium and vitamin D are most important. Bones need calcium and vitamin D to keep healthy. Proper weight-bearing exercise is also important - it helps bones maintain their strength and flexibility. Besides, maintain regular health examination, and avoid smoking and alcohol.