Post-Traumatic Stress Disorder


A physical, chemical, or emotional factor that causes bodily or mental tension and may be a factor in disease causation.

The National Center for Post-Traumatic Stress Disorder

The National Center for Post-Traumatic Stress Disorder, overseen by the United States Department of Veterans Affairs, houses an online information center with materials on reactions to trauma; symptoms, treatment and care of PTSD; frequently asked questions; and more.

NIMH: Post-Traumatic Stress Disorder

This National Institute of Mental Health page provides information about the symptoms, treatments, and current research and news on Post-Traumatic Stress Disorder, in addition to links to relevant publications and information on how to get help.


Dana Articles

Brain Link Established Between Stress and Type 2 Diabetes

Researchers describe sequence from distractibility to anxiety to inflammation to diabetes.


The Darkness Within: Individual Differences in Stress

(Read Q&A with George F. Koob, Ph.D.)
Factors ranging from age and gender to life experiences and cultural background make us react to situations differently. But biological bases, such as the way genetics and neurochemicals affect our brains, are providing insight into addiction, post traumatic stress disorder, and stressful situations that we face every day.


Taking a Global Approach to Toxicology

“There is this focus in science on studying one factor at a time, but diseases and disorders—particularly the most intractable ones—don’t arise this way,” says one researcher.


Stress, Neuropeptide Interaction, and Relapse: A Neurobiological Addiction Story

Relapsing may have more to do with altered stress pathways than pleasure-seeking pathways.


New Movement in Neuroscience: A Purpose-Driven Life

(Read Q&A with Adam Kaplin, M.D., Ph.D.)
Purpose in Life (PIL) is a research area that focuses on the interactions between mind and body and the powerful ways in which emotional, mental, social, and spiritual factors can directly affect health. It links the belief that your life has meaning and purpose to a robust and persistently improved physiological health outcome—particularly as a way to treat dementia, spinal cord injuries, stroke, and immunological and cardiovascular issues that include but extend beyond the brain.


The Neurobiology of Resilience

Most drug development for depression has focused on undoing the bad effects of stress, but new research suggests that finding ways to induce resilience could lead to new treatments. One of our series of briefing papers.