{"podcast":{"title":"Oxford Sparks Big Questions","slug":"oxford-sparks-big-questions-420721","podcast_index_feed_id":420721,"rss_url":"https://oxfordsparks.libsyn.com/rss","website_url":"https://www.oxfordsparks.ox.ac.uk/","image_url":"https://static.libsyn.com/p/assets/2/2/c/f/22cf91023fb4a322/Big_Questions_Podcast_pink_HIGH_RES.jpg","author":"Fiona Jones","episode_count":100,"summary":"'Will my bacon sandwich kill me?', 'Is vaping better than smoking?', 'How do you become an astronaut?' - just some of the Big Questions we ask some of the brightest minds behind Oxford science. Join us in each podcast as we explore a different area of science.","last_synced_at":"2026-06-18T00:18:10.275517+00:00","page_url":"https://stenobird.com/podcast/oxford-sparks-big-questions-420721"},"episode":{"title":"Why do I bite my nails?","slug":"why-do-i-bite-my-nails","published_at":"2025-10-29T11:30:00+00:00","page_url":"https://stenobird.com/podcast/oxford-sparks-big-questions-420721/why-do-i-bite-my-nails","show_page_url":"https://stenobird.com/podcast/oxford-sparks-big-questions-420721","url":"https://oxfordsparks.libsyn.com/why-do-i-bite-my-nails","audio_url":"https://traffic.libsyn.com/secure/oxfordsparks/Ox-Nails-v1.mp3?dest-id=790107","summary":"Many of us will be familiar with Body-Focused Repetitive Behaviours (BFRBs), perhaps without even realising it. Such behaviours - which include hair-pulling, nail biting and skin picking - can not only cause physical harm, but also often bring feelings of shame. Because of this, open discussion around BFRBs has been limited. In this episode of The Big Questions Podcast, we chat to Prof Clare Mackay from Oxford's Department of Psychiatry, who both studies and lives with BFRBs.","meta_description":"Many of us will be familiar with Body-Focused Repetitive Behaviours (BFRBs), perhaps without even realising it. Such behaviours - which include hair-pulli…","key_points":[],"chapters":[],"topics":[],"duration_seconds":896,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/oxford-sparks-big-questions-420721/episodes/why-do-i-bite-my-nails/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/oxford-sparks-big-questions-420721/why-do-i-bite-my-nails.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}