Adesara is a trainee general practitioner. She is co-Chair of the Young Medical Women International Association, and a National Medical Director's Clinical Fellow at Macmillan. She was a member of the Keep Our NHS Public campaign in July 2019. She has written about the rise in anti-abortion rhetoric in light of the Brexit vote and election of Donald Trump. Since 2012, Adesara has sat on the Central Council of the Socialist Health Association. Adesara is a member of the campaign, which looks to increase women's representation in the Palace of Westminster. She has previously chaired the Young Fabians Health Network.