This is the name of the new book by Professor Miguel Oliveira da Silva, launched on 16 October at the Medeiros e Almeida House Museum in Lisbon. The Obstetrician and Professor of Medical Ethics at FMUL was invited by Radio Observador to answer the question that gave its name to his new work.

Listen here to the podcast, where Professor Miguel Oliveira da Silva points out some of the most problematic issues of medicine today: planned home birth, the anti-vaccines movement, unconventional therapies, involuntary internment in psychiatry, and gender identity and medical advice, among others.