Last week, I witnessed something remarkable while training my eldest client, who’s about to turn 90 in March. Her identical twin sister was visiting from out of town and decided to join our session. Despite having the same genetics, the difference between the two was striking—in strength, mobility, function, and even appearance. My client moved…

Sometimes the best learning moments happen after a presentation—during the Q&A session. Take, for example, a talk given by Dr. Christopher Gardner, titled “The Battle of the Diets: Is Anyone Winning (at Losing)?” The presentation itself was informative, but some of the most valuable insights emerged after it ended, during the Q&A session. (Watch the…