This document discusses healthy and unhealthy habits. It notes that a sedentary lifestyle can lead to health issues like weight gain and illness. Healthy habits include physical activity, rest, a balanced diet, and good hygiene. Physical activity benefits the heart, lungs, muscles and nervous system. Proper rest is important for quality of life. A balanced diet should include carbohydrates, proteins, fats, vitamins and water. Unhealthy habits include tobacco, drugs, alcohol, and obesity which can damage health in various ways such as cancer, heart disease, and diabetes. Maintaining healthy habits and avoiding unhealthy ones is important for overall well-being.