Stress damages the brain from "summary" of Brain Rules by John Medina
When we experience stress, our brain releases cortisol, a hormone that helps us respond to difficult situations. Cortisol is useful in the short term, but when stress becomes chronic, it can have damaging effects on the brain. High levels of cortisol can disrupt the way our brain functions, impairing our ability to think clearly, make decisions, and remember information. Chronic stress can also shrink the prefrontal cortex, the part of our brain responsible for decision-making and self-control. This can make us more impulsive and less able to regulate our emotions, leading to mood swings and increased anxiety. Additionally, stress can damage the hippocampus, a region of the brain crucial for memory formation. When the hippocampus is impaired, we may have trouble learning new information and recalling past events. In addition to these cognitive effects, chronic stres...
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