What is an anti-aging tool to implement at home? This surprisingly simple device
23 Apr 2023 · 1 min

0:51
Bryan Johnson says grip strength is one of the simplest predictors of longevity and can be trained at home. He demonstrates his own measurements: 10 reps with his weaker left hand and 20 with his right, at about 100 pounds of resistance. He's turned grip training into a family competition called rejuvenation Olympics.










