Three people from three different eras reveal what it's like to live with multiple personalities, or Dissociative Identity Disorder.

A retired librarian who lived through the disorder's most controversial time and has found peace as several parts; an early YouTuber who fought stigma about DID and now lives as one person; and a young TikToker navigating life as a 'system'.

The BBC has been sharing stories and tips on how to support your mental health and wellbeing. Go to bbc.co.uk/mentalwellbeing to find out more.

Presenter/producer: Lucy ProctorResearcher: Anna HarrisMixed by: James Beard