PTSD speeds up the biological clock in veterans
Everyone's biological clock is ticking, but for some it ticks faster. In veterans with post-traumatic stress disorder (PTSD), the hands seem to get an extra push. In the largest study to date, covering more than 45,000 US veterans, researchers found that PTSD is linked to accelerated epigenetic aging: that is, the body's cells look older than their passport age would suggest.