VIDEO : Amy Winehouse?s Mother is Convinced Amy Suffered From Tourette Syndrome

Singer Amy Winehouse?s mother is convinced her late daughter suffered from neurological disorder Tourette Syndrome.

Janis Winehouse insists the condition could explain the troubled singer?s outbursts and tics.

In a new memoir, titled Loving Amy, Janis speculates about her daughter?s mental health issues, stating, ?She could well have been almost Tourette?s, where she would just shout things out. We just do not know.