My Serious Cold and Cough Subsided about 80% After Running Biofeedback Once By scalarreviews | May 11, 2022 0 Comment I AM EXCITED ABOUT THE BIOFEEDBACK. I RUN JUST ONE BIOFEEDBACK AND A SERIOUS COLD AND COUGH I HAD SUBSIDE ABOUT 80%. HALF OF MY DAY TODAY HAS BEEN USING SCALAR WAVES.