The body’s response to stress involves physiological changes managed by the autonomic nervous system. When stressed, the body releases hormones like cortisol and adrenaline, triggering the “fight or flight” response. This leads to increased heart rate, heightened alertness, and increased blood flow to muscles. Chronic stress can result in prolonged activation of this response, leading to health issues, including high blood pressure and weakened immune function. Understanding and managing stress through techniques such as mindfulness or exercise is crucial for maintaining overall health.