Maintaining good health in retirement in many ways determines the lifestyle you can lead. Physical exercise, mental stimulation and good nutrition are extremely important as you age and retire. Staying physically fit and mentally sharp are the keys to a happy and healthy retirement. The following videos provides information on exercise, diet, nutrition, blood pressure, hypertension, muscle groups and more. Click on the following for additional information on exercising (flexibility, strengthening, cardio), mental health and nutrition .