This document provides a lesson on health for class VIII. It discusses the importance of good health, defines key terms like disease and essential, and notes that good health means having a healthy body free from illness. It states that to keep healthy, one must eat a balanced diet, exercise regularly to stay fit, go to bed early and wake early, and maintain peace of mind by not worrying over small things. Students are asked questions about why good health is essential and why physical exercise is necessary, and are assigned to write a paragraph on how to maintain good health.