Describes post-traumatic stress disorder (PSTD), a potentially strong reaction to experiencing or even witnessing a traumatic event. "About 30 percent of the men and women who have spent time in war zones experience PTSD." 9-01
"We can’t eliminate all stress. But understanding the biology of stress—and adopting a cross-cultural perspective on stressors—can be very helpful. The pages described below highlight recent scientific research on stress during pregnancy, childhood, and the child-rearing years." 04-08