Deepak Chopra is a medical doctor with mystical leanings, who has built a highly successful second career as a purveyor of alternative remedies, and deepities that I would say – and here, I suppose I show my bias – impress those who think that if they can’t understand something it must be profoundly significant. As part of my Channel Four documentary Enemies of Reason, I asked him to explain his concept of Quantum Healing. We went on from there.