"Mother Teresa" and Opus Dei

I saw the Da Vinci Code and was not impressed (the idea of facts changing faith is far to idealistic for me), but of late I've learned a little more about Opus Dei. There self mutilation is not Hollywood fiction but sanctioned Catholic practice! On top of that I knew "Mother Teresa" liked to watch people suffer (her houses for the poor were places of suffering, not medical clinics where people could get help) but I didn't know she was an Opus Dei member! On top of that, you'd think they'd hide that (like the truth of the "miracle" that got her canonized) but they don't! They admit it!!