The document provides information about deep breathing and its benefits. It consists of 3 pages with headings such as "Focus on your breath", "Stress Affects Breathing", "Benefits of Deep Breathing", "Stress Response Cycle", and "SEROTONIN – Key Neurotransmitter". The summaries are: 1) The document instructs the reader on how to do deep breathing by inhaling through the nose and exhaling through the mouth in 4 second intervals. 2) It discusses how stress can limit oxygen intake and explains that oxygen is important for major organs, and we expel toxins through breathing. 3) The benefits of deep breathing include increasing serotonin to calm the