Exercise Make an Appointment Ask a Question Search Conditions Exercise is an important part of rehabilitation for chronic disease. Regular exercise can help you feel less short of breath. It also improves your heart and muscles and can help you feel good about yourself. Exercise increases: Energy level Muscle strength and endurance Cardiopulmonary (heart-lung) endurance Ability to fight infection Relaxation Restful sleep Bone density Exercise decreases: Shortness of breath Risk factors of heart disease Blood pressure Side effects of medicine (steroids) Depression Blood sugar levels Learn about starting an exercise program and exercises you can do at home: Developing an Exercise Habit Get Support for Exercise Changes Starting an Exercise Program Avoiding Exercise Exercise at Home Preventing Injury Target Heart Rate Safe Exercise for Patients with Heart Disease Exercising as a Family Tips to Help You Keep Movin' Balance Pods Can Help Young and Old Alike with a Vital Skill Try Yoga for Strength, Flexibility and Relaxation This information has been approved by Kimberly Sack, MS, PT (May 2012).