This document discusses the importance of prevention in maintaining good health. It emphasizes establishing healthy habits including daily exercise, proper nutrition, avoiding smoking and limiting alcohol. It recommends periodic health screenings and keeping immunizations up to date. Key health numbers to know include BMI, body fat percentage, waist circumference, and blood work results. A healthy diet focuses on fruits/vegetables and avoiding saturated fats. Exercise guidelines recommend 150 minutes of moderate activity per week and strength training 2 days per week. Managing stress is also important for prevention. The overall message is that practicing prevention can reduce risks of chronic diseases.