The document discusses stress, its causes and effects on the body. It defines stress as the body's reaction to internal or external pressures or threats. The hypothalamus controls the autonomic nervous system and endocrine system responses to stress through the release of hormones like cortisol and adrenaline. Chronic stress can increase risks for diseases like obesity, heart disease and depression over the long term. The document provides 27 tips for managing and reducing stress through relaxation techniques, exercise, sleep, diet and avoiding sources of stress.