We may be living longer, but are we living healthier? As we age, proper nutrition and exercise can help us live more fulfilling lives and enjoy our extended post-retirement years. Indeed, exercise is medicine. Cindy Chang, MD, a sports medicine physician, shares her training and expertise to provide physical activity goals and guidelines for adults. She'll also help you determine your own activity level using the "physical activity vital sign" and why this is even more important during the COVID pandemic. Series: "Osher WISE: Well-being and Integrative Science for Everyone" [Health and Medicine] [Show ID: 37512]