
Dr Gross opens this episode with a simple truth backed by decades of clinical insight. Strategic exercise adds muscle, builds bone density, and prevents frailty. No marathon workouts required. In this conversation we unpack his weekly routine... short intervals, and one set to failure strength work. And then we explore how natural killer cell exosomes may support immune surveillance against cancer and zombie cells while protecting healthy tissue.

After her son survived two fentanyl overdoses in three days, Brenda Zane turned pain into purpose and now helps parents worldwide navigate youth substance use and mental health. In this episode we go deep on the practical fitness habits that keep parents resilient under relentless stress. Brenda shares her weekly routine, her minimum daily “floor,” how she rebuilt strength after years of crisis, and why weights are non-negotiable for bone and muscle health.

The conversation dives into key health red flags that many women overlook, such as poor sleep, irregular cycles, low energy, and more. Ashley explains the critical role of strength training in improving not just physical fitness but also hormonal balance, mood, and overall well-being. You'll also hear why lifting heavy weights (yes, heavy!) is a game-changer for women of all ages—even her 73-year-old client is back-squatting 185 pounds!

fitness, CrossFit components of fitness, cardiovascular endurance, strength, flexibility, power, speed, coordination, agility, accuracy

In this conversation, Bryan discusses two critical components for enhancing longevity and quality of life: cardio-respiratory fitness and strength training. He emphasizes the importance of improving VO2 max and strength to reduce the risk of all-cause mortality and improve overall health.