Susan P Mattern
Galen describes a syndrome he associates with an emotion called lypē, with specific symptoms and a course that may lead to humoral imbalance, disease, and death. Lypē is an emotion that encompasses distress at a loss, as the death of a close friend or the destruction of one's books by fire; but Galen also associates it with chronic worry about a future threat, and a physiology between the emotions of worry and fear (that is, 'anxiety'). Lypē can cause a progressive syndrome characterised by insomnia, fever, pallor, and weight loss that can kill patients or degenerate into psychotic illness...
2016: Studies in Ancient Medicine