Have We Turned Personality Into Diagnosis?

Influencers on social media are sharing content that claims to help followers self-diagnose complex medical conditions ranging from A.D.H.D. to autism. And the data reveals that the effect of self-diagnosis is far-reaching. But what happens when large portions of the population believe they have a condition that medical data doesn’t back up? On “The Opinions,” the culture editor Nadja Spiegelman speaks with the columnist and sociologist Tressie McMillan Cottom and the author Mary H.K. Choi — who has written about her own A.D.H.D. and autism — about the phenomenon of self diagnosis, the need for p...