Sinead O'Connor Cancels Tour Due to Bipolar Disorder: Plus a Look at Stars Who Battle Manic-Depression

Sinead O'Connor announced on Monday that she was cancelling her 2012 tour due to her bipolar disorder. The singer wrote on her website that she is "very unwell" and had been advised by her doctor to not hit the road after her "very serious breakdown between December and March."

Bipolar Rise in Kids Drives Debate

A bipolar disorder diagnosis may not only stigmatize a child, but also lead to harms from medications, feeling set apart from other kids and having future hopes dashed.