Presents a response to a letter to the editor about the article "Effectiveness of Acupuncture As Adjunctive Therapy in Osteoarthritis of the Knee: A Randomized, Controlled Trial," by B.M. Berman, L. Lao, P. Langenberg, W.L. Lee, A.M. Gilpin AM and M.C. Hochberg, that appeared in a previous issue of the journal "Annals of Internal Medicine."