The HPA axis becomes active because of regular stressors at work, home, and in traffic problems, which trigger cortisol release for survival needs. Occasional stress episodes are fine, but chronic stress can harm mood, memory, immunity, and gut. Continuous negative thoughts in anxious minds create a cycle that increases normal brain activity by 20-50%. Break the cycle with walks, talks, or hobbies. Research extending over time shows that continuous stress exposure leads to cortisol system problems and negatively affects mental performance.
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