Forum Contributor 2015-17
Right. "No consistent effect"was the author's conclusion. In others words, it does nothing.Gordon, I take issue not with the study itself (though the perceptual study is not statistically significant) but with the intellectually dishonest account of the study by Wanderso. The author of the study correctly concludes that the perceptual study is completely... unconclusive!
The impedance measurements have not found effects beyond the margin of error. So, the effect (if any) is extremely small.