Bone mineral density is reduced in people with MS

Source MSRA.org:
Evidence has been accumulating over recent years that people with MS are at increased risk of osteoporosis and bone fractures in comparison to the general population.
Osteoporosis is a progressive loss of bone minerals leading to fragile bones that are at greater risk of fracturing. It is common in the ageing population and particularly affects post-menopausal women due to hormonal changes that influence bone mineral density. Read on.