"I never found out until I went into treatment that I was bipolar. Looking back it makes sense. There were times when I was so manic, I was writing seven songs in one night and I'd be up until 5:30 in the morning."
"I feel like I am in control now where my whole life I wasn't in control," she added.
Demi says that she wants to help others who suffer the same affliction, now that she knows how to deal with it.
[Image via WENN.]