Heston Blumenthal: If I could turn off my bipolar, I wouldn'tThis video can not be playedTo play this video you need to enable JavaScript in your browser.Heston Blumenthal: If I could turn off my bipolar, I wouldn'tCloseWatch the full episode on BBC iPlayer.SubsectionHealthPublished28 FebruaryShareclose panelShare pageCopy linkAbout sharingRead description