Lack of Vitamin D is associated with breast cancer, Lack of vit D also does not allow the body to absorb calcium. Many post menopausal women experience osteoporosis due to a lack of estrogen. And certainly we gain the most Vitamin D from natural sunlight. But to someone who is struggling with chemo sickness going out side to sunbath just doesn't happen., being postmenopausal and not eating the best diet also contribute to osteoporosis. Breaking bones from minor incidents, spinal and back fractures are serious problems. Anyone on this board who has had trouble with this has taken vitamin d and calcium and has probably shown great improvement. Hers what Mayo says:
www.mayoclinic.com/health/ osteoporosis/DS00128/DSECTION=9 - 26k - Cached - Similar pages
http://www.mayoclinic.com/health/ost...128/DSECTION=9