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Chronic stress can impact the immune system from "summary" of Why Zebras Don't Get Ulcers by Robert M. Sapolsky
Chronic stress is a sneaky and insidious thing. It can seep into our lives slowly, almost imperceptibly, until one day we find ourselves feeling constantly on edge, overwhelmed, and exhausted. But the effects of chronic stress go far beyond just how we feel emotionally and mentally - they can also have a profound impact on our physical health, particularly on our immune system. When we experience stress, our bodies go into fight-or-flight mode, releasing a cascade of hormones like cortisol and adrenaline to help us deal with the perceived threat. This response is incredibly useful in the short term, allowing us to react quickly to danger and stay safe. However, when stress becomes chronic and unrelenting, this constant activation of our stress response starts to take a toll on our immune system. Our immune system is a complex network of cells, tissues, and organs that work together to protect us from harmful invaders like bacteria, viruses, and parasites. When we are under chronic stress, our immune system becomes dysregulated, with some parts becoming overactive while others become suppressed. This imbalance can leave us more vulnerable to infections, illnesses, and chronic conditions. One way that chronic stress impacts the immune system is by reducing the number and function of our natural killer cells, which are critical for fighting off viruses and cancer cells. In addition, stress can also lead to an increase in inflammation in the body, which has been linked to a wide range of health problems, from heart disease to autoimmune disorders. Furthermore, chronic stress can affect the production of antibodies, which are proteins that help our immune system recognize and neutralize harmful substances. When our antibody levels are disrupted, our bodies may struggle to mount an effective immune response when faced with a threat, leaving us more susceptible to illness.- Chronic stress can have a profound impact on our immune system, leaving us more vulnerable to infections, illnesses, and chronic conditions. It is crucial to find healthy ways to manage and cope with stress in order to protect our physical health and well-being in the long run.
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