The Nervous System and Oxidation Ratio on HTMA The HTMA shows us a bit of an idea on what state your nervous system is in. Slow oxidation (underactive thyroid and adrenal glands) point to a parasympathetic dominance and a sluggish metabolism.  Fast oxidation (over-active adrenals and thyroid) points to a sympathetic dominance and a fast metabolism.  But what exactly does this mean and ... Read the Post