On this week’s Tech Nation, it’s about developing medicines which enable the body to heal itself. First up, treating depression in a whole new way … and rapidly. Dr. Jeff Jonas, the Chief Innovation Officer and Director of Sage Therapeutics, talks about their drug Zuranolone, nearing the end of its drug approval journey. Then, Craig Parker, the CEO of Surrozen, talks about their work with the W-N-T pathway, or Wnt pathway. Their initial candidate for treatment? Repairing the liver.