National Institute of Mental Health:
https://www.nimh.nih.gov/index.shtml
Anxiety:
http://www.mayoclinic.org/diseases-conditions/anxiety/basics/definition/con-20026282
Depression:
http://psychcentral.com/disorders/depression/
https://www.nami.org/Learn-More/Mental-Health-Conditions/Depression
ADHD:
https://untappedbrilliance.com/
OCD:
Substance Abuse:
https://www.samhsa.gov/find-help/helplines/national-helpline