Heart Rate Variability | Why Your Nervous System Needs This.

We all experience stress. The real challenge isn't stress itself—it's whether we recover from it. Over time, chronic stress can quietly affect everything from inflammation and metabolism to sleep, digestion, and healthy aging. This week on The Dr. Hyman Show, I talk with nervous system educator and HRV expert Salim Najjar to explore what heart rate variability (HRV) can reveal about your body's ability to recover from stress and build resilience. Together, we unpack: • How to use HRV to better understand your body's response to stress • Why some stress makes you stronger while chronic stress wears you down • How to g...