American Cancer Society: https://www.cancer.org

Anxiety and Depression Association of America: https://adaa.org

Beck Institute Cognitive Behavior Therapy: https://beckinstitute.org

Cognitive Processing Therapy: https://cptforptsd.com

Mayo Clinic: https://www.mayoclinic.org

National Association of Social Workers: https://www.socialworkers.org

National Cancer Institute: https://www.cancer.gov

National Institute of Mental Health: https://www.nimh.nih.gov

Psychology Today: https://www.psychologytoday.com

Sleep Foundation: https://www.sleepfoundation.org

U.S. Department of Veterans Affairs: https://www.va.gov

https://www.mentalhealth.va.gov/ptsd/treatment.asp

Verywell Mind: https://www.verywellmind.com