Stress can cause negative changes in the brain from "summary" of Evolve Your Brain by Joe Dispenza
When we experience stress, our body goes into fight-or-flight mode, releasing a cascade of stress hormones such as cortisol and adrenaline. These hormones are meant to help us deal with immediate threats in our environment, but when stress becomes chronic, these hormones can wreak havoc on our brain. Prolonged exposure to stress hormones can cause negative changes in the brain, specifically in the hippocampus, the part of the brain responsible for memory and learning. High levels of cortisol can actually shrink the hippocampus, impairing our ability to retain information and form new memories. This can lead to difficulties in concentration, focus, and cognitive function. Additionally, chronic stress can also affect the prefrontal cortex, the part of the brain responsible for decision-making, emotional regulation, and impulse control. When the prefrontal cortex is under the influence of stress hormones, our ability to think clearly, make rational decisions, and regulate our emotions is compromised. Furthermore, stress can also impact the amygdala, the brain's fear center. High levels of cortisol can cause the amygdala to become overactive, leading to increased feelings of anxiety, fear, and emotional reactivity. This can manifest as mood swings, irritability, and heightened sensitivity to stressors in our environment.- Chronic stress can create a vicious cycle in the brain, leading to negative changes that perpetuate and exacerbate our stress levels. This can have far-reaching implications on our overall well-being, affecting not only our cognitive function but also our emotional and mental health. It is crucial to find ways to manage and reduce stress in our lives to protect our brain and promote a healthy mind-body connection.
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