Check out Lisa Feldman Barrett's book, How Emotions Are Made

A must read...

A great tool to learn about interoception.

You will find there great information by Peter Levine.

Dr. Ludwig Janus is a close collaborator of the Emotional Health Institute.

Marc Lewis, PHD
Understanding Addiction
A new perspective linking Brain, Behaviour, and Biography

Gabor Mate, MD
When the Body Says No
The Cost of Hidden Stress

Check out Joseph Ledoux's book, Anxious

Systema is a unique Martial Art based on holding no tension in the body.