In an effort to help others, Demi Lovato has been candid about substance use, suicidal thoughts, bipolar disorder and disordered eating - and how, despite her struggles with co-occurring disorders, ...

In an effort to help others, Demi Lovato has been candid about substance ... With her wire-rimmed round glasses, long brown hair and gap-toothed grin, Lovato, 32, skipped, giggled, and danced ...