Buck's work has also widened to include pheromones: chemicals released by animals that act on members of the same species to stimulate responses like fear and aggression.

FORBES: Magazine Article

My symptoms are: the fear of killing people, the fear of harming people, hyper-vigilance, guilt, aggression, panic attacks.

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They just fear that Mr Steinmeier wants to bury the fact of Russian aggression in a morass of moral equivalence.

ECONOMIST: Europe frets about its place in a different world order