The effectiveness of Philips InfraCare is clinically proven*. In the following scientific papers and medical textbooks, you can find more information.
What medical proof is available for Philips InfraCare?
W. Siems, N. Bresgen, R. Brenke, R. Siems, M. Kitzing, H. Harting and P.M. Eckl; Pain and mobility improvement and MDA plasma levels in degenerative osteoarthritis, low back pain, and rheumatoid arthritis after infrared A-irradiation, Acta Biochimica Polonica 57(3), p. 313-319, 2010.
J. Stelian, I. Gil, B. Habot, M. Rosenthal, I. Abramovici, N. Kutok, A. Khalil; Improvement of pain and disability in elderly patients with degenerative osteoarthritis of the knee treated with narrow-band light therapy. J. Am Geriatr Soc 40(1), p. 23-26, 1992.
M.H. Cameron: Physical agents in Rehabilitation: From Research to Practice, 2nd edn., St. Louis: Saunders, Elsevier; 2003.
*Philips InfraCare is supported by Medical Device Directive (MDD) MDD93/42/EEC