Frailty.  What the heck is it?  Why does it matter? How do we recognize it and if we do recognize it, is there anything we can do about it?   On today’s podcast we talk to Linda Fried, Dean of Columbia University's Mailman School of Public Health and world renown frailty researcher about all things frailty.   We talk to Dr. Fried about how she first got interested in frailty, how we define it including the difference between phenotypic frailty and a “deficit accumulation model’ frailty index”, and how we should think about assessing frailty and managing it. We also talk with Dr. Fried about how she thinks about resiliency and the analogy put forth by George A. Kuchel in a wonderful article published in the Journal of American Geriatrics Society (JAGS) that uses the Golden Gate Bridge to explain different definitions of frailty.