Fry has bipolar disorder. His first diagnosis was cyclothymia, which he refers to as "bipolar lite". Fry has spoken publicly about his experience with bipolar disorder, which was depicted in the documentary "". In the programme, he interviewed other sufferers of the illness including Robbie Williams, Carrie Fisher, Richard Dreyfuss and Tony Slattery. He is involved with the mental health charity Stand to Reason and is president of Mind. In 2013, he revealed that, in the previous year, he had started taking medication for the first time, in an attempt to control his condition. In 2018, alongside Nadiya Hussain and Olly Alexander, Fry was part of Sport Relief's attempt to raise awareness of mental health.