Posted in Health and Fitness, Mental Health

Stress and The Brain

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Stress has been known to literally shrink the brain (59,90) as well as disrupting brain function and promoting inflammation. Stress is notorious for being difficult to define. It encompasses all kinds of stimuli of varying amounts of aversiveness and duration (102). Stress can be physical, psychological, social, acute or chronic, and high or low intensity (103-4) Stress can be defined as an automatic physical response to any stimulus that requires you to adjust to change. Every real or perceived threat to your body triggers a cascade of stress hormones that produces physiological changes. We all know the sensations: your heart pounds, muscles tense, breathing quickens, and beads of sweat appear. This is known as the stress response (62.)

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