At 79, I have been active, off and on. Running, weights and karate. Dr. Lyons book taps into a core personal fact. Muscularity and strength…a P.E. coach explained (freshman/college) Sheldon’s Somatotyping, endomorph, mesomorph, ectomorph. This reminds me of my Mesomorph status. Her muscle-centric view is gold in it’s value.
