It is not just adults, but sadly the word stress is a part of every child's vocabulary these days.  My 11 year complains about being stressed often, and while I advice him to breathe deeply, and take it easy, I have often wondered if there was a technique that would dissolve stress instantly (other than eating chocolate).

It turns out that humming is an instant stress reliever.  Humming produces nitric oxide, that is responsible for better flow in our respiratory tracts.  Read more about the stress relieving action of humming in this article, and then of couse start humming your favorite song.