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The key physiological parameters to optimize brain health:
blood pressure
Oxygen saturation
Sleep quantity and quality
Pulse and HRV
ekg
Nutrient intake
Body mass index
Cognitive assessment
Microbiomes
MyMind
The vagal regulation of the heart is dynamically reflected in the amplitude of a periodic component embedded in heart rate variability known as respiratory sinus arrhythmia.
Stephen W. Porges • The Pocket Guide to the Polyvagal Theory: The Transformative Power of Feeling Safe (Norton Series on Interpersonal Neurobiology)

The inability to switch off, to switch from sympathetic to parasympathetic activation, is a hot topic in medicine and psychology right now. It is measured by heart rate variability (HRV). Which should, if you are well balanced, be high: your heart rate should vary a lot. If you can gear up when you have to, and then switch quickly and comfortably
... See moreVincent Deary • How We Break
Inspiring Humans
Jessica Trippiedi • 1 card