Physiotherapeutic effects of infrared lasers have been proved in clinic. These infrared-based regulations of the bioelectrical activities can roughly be classified into enhancement and suppression of action potential (AP). which are described by sodium (Na) and potassium (K) transmembrane current equations. named as Hodgkin and Huxley (HH)-model. https://www.dawnsdinners.com/product-category/dust-paper-bag/