Psychology & Psychiatry

Scientists develop new method that predicts vulnerability to stress

Stress is part of life for everyone, but how we respond to it seems to vary from person to person. For some, the effects of a stressful situation can be long-lasting and lead to anxiety, depression, and other health problems; ...

Diseases, Conditions, Syndromes

How Crohn's disease-associated bacteria tolerate antibiotics

Bacteria associated with Crohn's disease rely on multiple stress responses to survive, multiply, and tolerate antibiotics within white blood cells called macrophages, according to a study published November 14 in the open-access ...

Medical research

Research discovers link between stress and circadian clock health

The human body has an internal biological clock that is constantly running. Our well-being is dependent on the function of that clock. New research from the University of Minnesota Medical School found a little stress can ...

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Fight-or-flight response

The "fight-or-flight response", also called the "fight-or-flight-or-freeze response", the "fright, fight or flight response", "hyperarousal" or the "acute stress response", was first described by Walter Cannon in 1929.

His theory states that animals react to threats with a general discharge of the sympathetic nervous system, priming the animal for fighting or fleeing. This response was later recognized as the first stage of a general adaptation syndrome that regulates stress responses among vertebrates and other organisms.

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