Increase Nitric Oxide 15-fold by Humming
I am really humming along now! Literally. NO increased 15-fold during humming according to studies.
I am not an expert in this area but just Google “Nitric Oxide” & “Humming” and you’ll be impressed at what you find.
Of course, the benefits of Nitric Oxide, particularly when produced naturally by the body, are quite impressive. Check it out!