The first interview is with Dr. Ted Burns and Dr. Merit Cudkowicz on the topic of ALS. This interview was part of the January 31, 2017 episode. The second interview, from October 25, 2016, is with Dr. Nath on HERV-K and ALS. In the third and final interview, originally released on February 28, 2017, Dr. Burns speaks with Dr. Richard Finkel about nusinersen and spinal muscular atrophy.