Bio-Q Thermal Biofeedback and Stress Monitoring RingThe BIO-Q ring has been used at every one of the nation's top ten medical clinics, re-ordered by Yale, Harvard, Johns Hopkins, UCLA, SCRIPPS, the Menninger Fdtn and thousands of other respected facilities in the U.S. and every continent on the planet.
Breath Training and Respiratory BiofeedbackThe use of breath-driven heart rate training is hot!! And for good reason. The medical reserach on heart rate variability is solid and deep. The twist biofeedback adds is self regulation.