Research Health outcomes of... Health outcomes of youth development programme in England: prospective matched comparison study Research Health outcomes of youth development programme in England: prospective matched comparison study BMJ 2009; 339 doi: https://doi.org/10.1136/bmj.b2534 (Published 07 July 2009) Cite this as: BMJ 2009;339:b2534 Meg Wiggins, senior research officer1, Chris Bonell, seni