Stress responses are the body's natural reaction to perceived threats or challenges. When faced with stress, the body activates the fight-or-flight response, releasing hormones like adrenaline and cortisol. This prepares the body to either confront the danger or escape from it, leading to increased heart rate, heightened alertness, and energy mobilization. There are different types of stress responses, including acute and chronic stress. Acute stress is short-term and can be beneficial, helping individuals react quickly in emergencies. In contrast, chronic stress occurs when stressors persist over time, potentially leading to health issues such as anxiety, depression, and cardiovascular problems.