Lions and tigers and bears are not why : angst is the modern echo of evolved social instincts
Don't stray far from family, home, or safety : panic anxiety
Follow the leader of the pack : social anxiety
A sure and tidy nest (clean, arrange, save, and behave) : obsessive-compulsive disorder
Go along to get along : atypical depression
Feeling so useless you could die : melancholic depression
Consciousness lost and instinct run amok : schizophrenia and psychosis
Happy in the herd : instinctive herds and primeval ignorance
Climbing to civilization : the rise of reason and the ascent of angst
Illness and instinct : consciousness has consequences
Free to choose : how to balance your reason and instinct.
Angst : origins of anxiety and depression by Jeffrey P. Kahn. ISBN 9780199796441. Published by Oxford University Press in 2013. Publication and catalogue information, links to buy online and reader comments.