http://www.npr.org/sections/health-shots/2015/11/29/457255876/loneliness-may-warp-our-genes-and-our-immune-systems

https://www.newscientist.com/article/mg22730354-000-suicidal-behaviour-predicted-by-blood-test-showing-gene-changes/

https://www.health.harvard.edu/blog/suicide-survivors-face-grief-questions-challenges-201408127342

https://www.crisistextline.org/how-it-works/

http://blog.oregonlive.com/myoregon/2015/05/better_depression_treatment_ca.html