The Knowledge Project with Shane Parrish #176: Dr. Leah Lagos and Joe Mazzulla: Control Your Heart, Conquer Your Stress
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Sep 19, 2023 
In this engaging discussion, Dr. Leah Lagos, a health and performance psychologist, shares insights on Heart Rate Variability (HRV) and its crucial role in stress management and overall well-being. Joining her is Joe Mazzulla, head coach of the Boston Celtics, who explains how he implements HRV training to enhance his performance under the pressures of coaching. They explore practical techniques for improving HRV, such as breathing exercises and the impact of mindfulness, offering strategies for anyone looking to gain control over stress and optimize their performance.
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HRV and Resilience
- HRV, or Heart Rate Variability, measures the time between heartbeats, indicating resilience to stress.
- Higher HRV means better control over your autonomic nervous system's stress response.
Alcohol, Caffeine, and HRV
- Understand how alcohol and caffeine impact your HRV; they affect individuals differently.
- Monitor your intake and adjust based on your body's unique response for optimal performance.
Baroreflex Training
- Train your baroreflex, the reflex controlling heart rate and blood pressure, through resonant frequency breathing.
- Practice 15 minutes twice daily for 10 weeks to strengthen this reflex and improve stress response.
