- Earl Spencer has revealed in his upcoming memoir that his late sister, Princess Diana, displayed key symptoms of undiagnosed ADHD as a child.
- Childhood school reports cited in the book show teachers repeatedly raised concerns over Diana's lack of concentration, restlessness, and difficulty focusing during lessons.
- Speaking to the BBC, Earl Spencer stated that both he and Diana had ADHD, noting that learning difficulties were poorly understood in England at the time.
- He also believes Diana suffered from Rejection Sensitive Dysphoria, an extreme emotional response to actual or perceived criticism, often associated with ADHD.
- The memoir, titled Swan Song: Diana, My Sister, is scheduled for release on 22 September 2026.
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