Gastric bypass procedures may differ in effects on bone health
Physicians must ensure patients stay on calcium and vitamin D for life after bariatric surgery, say study authors

Roux-en-Y gastric bypass is associated with a higher risk of non-vertebral fractures compared with adjustable gastric banding, a US study suggests.
Harvard University researchers identified more than 42,000 severely obese adults (79% women) who underwent bariatric surgery from Medicare claims data.