Figure 1

Illustration demonstrating the HVLA controlled vertebral thrust–immune system link.

PFC: Prefrontal cortex,
HPA: Hypothalamus–pituitary–adrenal axis,
ANS: Autonomic nervous system,
SNS: Sympathetic nervous system,
PNS: Parasympathetic nervous system,
CRH: Corticotrophin releasing hormone,
ACTH: Adreno–corticotropic hormone,
IL: Interleukin.