One type of therapy used in the study is body-weight-support treadmill training, in which a patient's weight is supported by a harness over a treadmill while therapists help move his legs.

FORBES: Magazine Article

The BMA said it had not yet seen the guidelines but added that discussions about a patient's weight was all part of the consultation process anyway.

BBC: NEWS | Health | GPs urged to help obese get slim

The company said it couldn't confirm that amount, and that a dose of the drug varies depending on such factors as a patient's weight and severity of bleeding.

WSJ: Hemophilia Drug's Off-Label Use Is Faulted