Fitness Body Mass Calculator Healthy, overweight or obese? The calculator will let you know. How The Five Senses Change With Age Aging has measurable effects on all body parts ? including the heart, the bones, the mind ? particularly if you don't take care of yourself. Medical Evaluation Before starting a vigorous exercise program, check with your doctor for an evaluation of your heart and for guidance on how to pace yourself. Exercise Overview Fitness is most easily understood by examining its components -- cardiovascular endurance, muscular strength, muscular endurance and flexibility. Setting Up A Flexibility Program Loosen up for better health. Five Tips For Planning And Losing Weight If motivation is the spark that lights the weight-loss fire, then smart planning is the timber that will keep your desire burning. Stopping That Rebound In Weight Although many people manage to lose weight, they usually don't keep it off. How Your Body Responds To Exercise Your body's response to exercise is obvious the minute you begin. Copyright 2001-2009 Aetna Inc. Web Privacy Statement | Legal Statement | Privacy Notices | Member Disclosure