"To have credibility, it isn't enough to talk the talk, it has to walk the walk too, " she told MPs.

BBC: MPs urge PM to attend Rio+20 summit

"People don't talk about it enough - there's a huge stigma attached to mental health, " he said.

BBC: South war veterans get mental health support

"We always talk about how we don't get enough credit for it it just looks so easy but you're dying by the end, " says Kathleen Breen Combes, who plays the role for the Boston Ballet.

WSJ: Nutcracker Inc.