During the original trial, daily calcium and vitamin D alone was associated with a progressive and significant loss of bone mineral density at the 1/3 radius -LRB--1.2 %). (sciencedaily.com)
Because loss of bone mineral density is known to occur on spaceflight missions, we need more data regarding health effects, including bone health, with long - term use of hormone treatments not just for contraception (as most women use them), but also for the less - common use to suppress menses.» (sciencedaily.com)
However, new research from Wake Forest Baptist Medical Center finds that the recommended daily doses of these supplements may not prevent loss of bone mineral density (BMD) in these women. (wakehealth.edu)