About The Author

Grant Brown is a professor of biology at Concordia University Montreal.

Can Fish Tell Us Anything About Post-Traumatic Stress Disorder?

The oldest and strongest emotion of mankind is fear, and the oldest and strongest kind of fear is fear of the unknown. – H.P. Lovecraft Exposure to danger can cause severe psychological problems like post-traumatic stress disorder (PTSD). Not everyone exposed to risk acquires PTSD, but it commonly occurs after experiencing military combat or assault.