On this week’s Tech Nation, Moira speaks with Dr. Levi Garraway, the Chief Medical Officer of Genentech about FDA approvals for treatments in two very rare diseases - SMA - Spinal Muscular Atrophy, and NMOSD - Neuromyelitis Optica Spectrum Disorder. Then Dr. Thomas Rando, Co-Founder of Fountain Therapeutics, a Professor at Stanford University School of Medicine, and Director of Glen Laboratories on the Biology of Aging talks about a rampant medical condition – aging.