Demi Lovato reveals she had multiple strokes, brain damage after overdose

Demi Lovato is under no obligation to share the deeply personal story of her struggle with mental health and addiction with the public, but the singer is choosing to do it on her own terms in a new four-part YouTube documentary, the trailer for which was released on Wednesday.

source https://www.cnn.com/2021/02/17/entertainment/demi-lovato/index.html