In the course of the novel Lewis describes many aspects of medical training, medical practice, scientific research, scientific fraud, medical ethics, public health, and of personal/professional conflicts that are still relevant today.
U romanu, Luis opisuje različite strane lekarske obuke, prakse, naučnog istraživanja, naučne prevare, lekarske etike, javnog zdravlja, i ličnih/profesionalnih sukoba koji se dešavaju i danas.