A study conducted by experts has revealed that weight loss surgery in teens can cause bone density. The study has brought into light which was hitherto unknown to people. According to the study, adolescents who go for gastric-bypass surgery regularly encounter bone loss within 2 years of operation.

The study was conducted over 61 teenagers whose bone density was scanned every few month after the operation. Out of them, on an average 200 grams of bone loss have been measured by the researchers. As per the experts, the statistics are not alluring or disturbing still further research in need in the concerned field.

On explaining bone loss, experts told that the bone weight in the subjects was greater than average prior to the operation because many of the subject’s were obese.

Adults and adolescents who underwent weight loss surgery are advised to take calcium and vitamin D supplements after the operation.

Dr. Mary Brandt, the Director of the adolescent bariatric surgery program at Texas Children's Hospital, said that children who undergo weight loss surgery suffer from myriad weight-related health problems as well. These health problems may vary from high blood pressure to diabetes. It has also believed that the surgery could lead to increased risk of fractures and it is also possible that it might improve bone health.