Rickyninjahorse t1_j0b78wu wrote 2 years ago Reply to First human trials test light & sound therapy for Alzheimer's disease by Apart_Shock Does anyone know how they came to find that 40hz was the magic number for healing? Permalink 6
Rickyninjahorse t1_j0b78wu wrote
Reply to First human trials test light & sound therapy for Alzheimer's disease by Apart_Shock
Does anyone know how they came to find that 40hz was the magic number for healing?