Original price was: $29.95.Current price is: $11.00.

What You’ll Learn:
What is HRV and how it is measured?
New discoveries on the physiological sources of HRV.
HRV frequency bands and what they mean.

Dr. Rollin McCraty  -  The Science of Heart Rate Variability Made Simple
Dr. Rollin McCraty – The Science of Heart Rate Variability Made Simple