Doja Cat details struggle with mental health disorder Doja Cat has shared her "agonising" struggle with borderline personality disorder (BPD) in a new video shared to TikTok. 14 March 2026 Doja Cat has shared her "agonising" struggle with borderline personality disorder (BPD) in a new video. Doja Cat has been struggling with BPD The 30-year-old singer has been battling the mental health condition - which affects the way people see themselves and others and can cause impulsiveness and extreme emotions - "probably forever" but has always tried to "pretend" that she is happy.