Send us a text Summary In this conversation, Dr Zeest Khan and Visible founder Harry Leeming discuss the innovative use of biometric tracking in managing long COVID and other chronic illnesses. They explore the significance of heart rate variability (HRV), the role of wearable technology, and the importance of pacing in symptom management. The discussion also highlights the impact of the menstrual cycle on health and the resources available through Visible, a company dedicated to improving h...