Queen talks about battle against 'silent thief' osteoporosis

The Queen makes a speech in the gardens of Clarence House about the battle against the "silent thief hiding in plain sight" as she marks the 40th anniversary of the Royal Osteoporosis Society (ROS). Report by Keechl. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn