Imagine a single health metric that can predict how well your body handles stress, improves your performance, and is linked to a longer, healthier life. According to psychologist and biofeedback expert Leah Lagos, Psy.D., that metric exists—and it’s called heart rate variability (HRV). In our conversation on the mindbodygreen podcast, Lagos dives deep into what HRV is, why it matters, and how you can optimize it for peak health and performance. Here’s everything you need to know.
