Dr. Joon Yun is President and Managing Partner of Palo Alto Investors LP, a healthcare hedge fund founded in 1989. Board certified in radiology, Joon served on the clinical faculty at Stanford from 2000-2006. Joon has served on numerous boards, and he is currently a trustee of the Salk Institute. Joon is a member of the President's Circle of the National Academies of Sciences, Engineering, and Medicine. Joon has published dozens of patents and scientific articles. Joon and his wife Kimberly launched the $1 million Palo Alto Longevity Prize in 2013 to reverse the aging process and recently donated $2 million to launch the National Academy of Medicine Aging and Longevity Grand Challenge. Fun fact: Joon has been going to Burning Man consecutively for the past 18 years. Show Notes 00:03 - Dr. Joon: A quick biography 04:45 - The aging process 09:26 - The Fractal nature of biology and the plasticity of aging 11:10 - Homeostatic capacity defined 21:22 - Why we should (occasionally) eat junk food 22:19 - Regaining lost resilience 27:55 - The multidimensional nature of capacity building 34:10 - Psychological deconditioning 40:59 - Four-dimensional science and four-dimensional data 48:36 - Improve your health doing things you love 57:51 - How HRV is aiding studies of homeostatic capacity 1:01:12 - Conclusion