Tennant also associates low voltage with an environment that favors various undesirable microbes. So there is no reason for the "bullshit" reply. Various systems in the body are related.
An elderly friend and I tend to feel more motivation and energy after we have had a treatment with Tennant's voltage-producing electronic acupuncture device. The effect is not dramatic, but welcome.
Very High voltage indicates extremely healthy.
High voltage indicates optimum health.
Medium voltage indicates average health.
Low voltage indicates below average health.
Extremely low voltage means very poor health, chronic illness, extensive inflammation, pain, disease and many medical issues.