Intelligent Medicine Radio for May 23, Part 1: Persistent Itch

Dr. Marty Makary out as FDA Commissioner—was he the victim of a BigPharma purge? Are “liquid biopsies” useful for predicting recurrences, as well as guiding therapy, for cancer? Nighttime smartphone by adolescents surges, eroding kids’ sleep needs; Persistent itch may require an “all of the above” approach to break its vicious cycle—could topical vitamin B12 provide an answer? Study critiques research methods that fast-tracked new Alzheimer’s drugs.