We explore the interpersonal theory of suicide. 

Samaritans helpline: 116 123

For info on an area we didn't cover, genetics and suicide, read:

https://newsnetwork.mayoclinic.org/discussion/mayo-clinic-q-and-a-suicide-and-genetics-a-complicated-association/

https://www.nature.com/articles/4001803

Key Books by Dr. Thomas Joiner:

Why People Die by Suicide

Myths about Suicide