This heightened stress could increase their risk for heart disease.
First responders who developed PTSD seem at greater risk of mental decline.
Post-traumatic stress disorder increases the risk of sleep troubles even more.
Researchers found symptoms decreased in civilians who tried the device; veterans are now being tested.
Findings could help improve treatments.
Several studies also suggested a mild-to-moderate association between post-traumatic stress disorder and premature death.
Our best stories delivered to your inbox!