Ultrasound update ∞ PainSci » blog+ • Jan 28, 2013 • by Paul Ingraham Get posts in your inbox: Subscribe Weekly nuggets of pain science news and insight, usually 100-300 words, with the occasional longer post. The blog is the “director’s commentary” on the core content of PainScience.com: a library of major articles and books about common painful problems and popular treatments. See the blog archives or updates for the whole site. I’ve updated my ultrasound review: there is a jarring, bizarre lack of research for such a popular therapy. It’s unpredictable & trivial at best, no rational basis for using it whatsoever at worst.