These important links provide additional information regarding breathing, stress, panic, anxiety, and related issues.

American Academy of Addiction Psychiatry National Hispanic Medical Association American Academy of Experts in Traumatic Stress British Medical Journal Manchester University - School of Psychiatry and Behavioural Sciences International Stress Management Association Mental Health Foundation NHS Direct Royal College of Psychiatrists US National Library of Medicine  Academy of Cognitive Therapy American Medical Association (AMA) American Medical Women's Association American Psychiatric Association American Psychiatric Nurses Association American Psychological Association Anxiety Disorders Association of Manitoba Anxiety Disorders Association of Ontario Association for the Behavioral Sciences and Medical Education Association of Family Practice Physician Assistant Depressive and Bipolar Support Alliance (NDMDA) Freedom From Fear International Association for Women's Mental Health International Society for Traumatic Stress Studies Mental Health InfoSource Mood & Anxiety Disorders Program at NIMH Nat. Council for Community Behavioral Health Care Nat. Mental Health Srvcs. Knowledge Exch. Network National Association of School Psychologists National Mental Health Association National Women's Health Resource Center Obsessive-Compulsive Foundation The Ottowa Anxiety and Trauma Clinic World Federation for Mental Health  American Academy of Child and Adolescent Psychiatry American Academy of Psychoanalysis and Dynamic Psychiatry American Psychiatric Association Caucus on Complementary, Alternative and Integrative Care National Library of Medicine Office of the Surgeon General, United States Department of Health and Human Services Substance Abuse and Mental Health Services Administration World Psychiatric Association The Association for Advancement of Behavior Therapy American Academy of Experts in Traumatic Stress British Medical Journal International Stress Management Association Mental Health Foundation NHS Direct Royal College of Psychiatrists US National Library of Medicine  InterAmerican Heart Foundation Framingham Heart Disease Epidemiology Study National Heart, Lung, and Blood Institute National Center for Health Statistics PubMed American College of Cardiology    American Society of Hypertension Cardiovascular Research Foundation (CRF) Pulmonary Hypertension Association    Society for Cardiovascular Pathology Johns Hopkins Bayview – Division of Cardiology  British Heart Foundation  Miscellaneous sites of interest