Most of us know about the “fight or flight” response, the body’s built-in survival instinct. But that framework leaves out ...

The sympathetic nervous system, which helps your heart and other vital organs function all the time, increases activity in response to danger or stress, preparing the body for extra demands. Stress is ...

The experience of anxiety is normal and a part of all human life. It provides useful information that helps prepare us for and protect us from harm or threat. Stress, fear, and danger trigger a ...

PHILADELPHIA and VANCOUVER, British Columbia, Dec. 28, 2023 (GLOBE NEWSWIRE) -- BriaCell Therapeutics Corp. (Nasdaq: BCTX, BCTXW) (TSX: BCT) (“BriaCell” or the “Company”), a clinical-stage ...

The sympathetic nervous system was thought to have evolved with jawed vertebrates. But lampreys—jawless, parasitic fish that suck out the blood of their hosts—have a simple one, per recent research.

Picture this: You're walking alone late one night, down a darkened street after leaving a Halloween party. No one is around, and your surroundings are eerily quiet. Then, suddenly, you hear rustling, ...

You stub your toe on the bedpost. Before your brain even registers the pain, a word explodes from your mouth—sharp, loud and ...

Overthinking is not just a habit or personality quirk — it’s often your brain trying to protect you. Psychology suggests it ...