The #1 Health Metric You Should Track For Longevity, with HRV Expert Salim Najjar

After losing two family members to cancer, Salim Najjar dedicated his life to understanding how our bodies process stress. After years of research, his favorite metric to track became heart rate variability-- the variance between each heartbeat. While most of us think about heart rate (beats per minute), HRV measures the fluctuations in intervals between your heart beats, which reveals how adaptable your nervous system is to stress. The higher your HRV, the more resilient you are, and the more bandwidth you have.

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In an era of unprecedented success and isolation, The Optimist tackles the silent crisis facing ambitious men. Through powerful conversations with leaders and visionaries, we're creating more than just another podcast—we're building a blueprint for modern masculine wellbeing. Each week, we explore raw, honest truths about identity, connection, and what it truly means to thrive. Whether you're a founder, veteran, or someone seeking deeper meaning beyond achievement, join us in forging a new path that embraces both strength and vulnerability. Welcome to the future of modern masculinity.