Stress management involves techniques to control a person's level of stress, especially chronic stress, in order to improve everyday functioning. Stress can be caused by demanding circumstances and affects both mental and physical health by releasing cortisol which suppresses the immune, digestive, and reproductive systems. Stress management consists of making changes to reduce stress, preventing stress through self-care and relaxation, and managing responses to stressful situations. Stress can be acute from short-term threats or challenges, or chronic from long-term stressors which may lead to greater health problems. Stress stems from both internal thoughts and fears as well as external life changes, environments, events, and social and workplace factors. Effective stress management utilizes relaxation techniques, physical activity, sleep,