Patrick Martin

“Our brains are basically threat detectors. If you’re feeling stressed, it simply means you’re paying attention,” a Duke psychologist said. Here’s how to cope.

Brain scans show that girls were especially affected by the loss of social interaction.

Wearable sensors aim to detect signs of heatstroke and warn workers

As many as 20 veterans out of 100 from the Iraq and Afghanistan conflicts have PTSD, according to the Department of Veterans Affairs.