There have been a number of studies done lately on the healing power of sound. Specific sound waves targeted at tumors can sometimes destroy them. https://www.theguardian.com/…/ultrasound-cancer-research-hi… One device "listens to the autistic child's brainwaves to create personalized sounds (binaural beats) designed to stimulate the reduction in the user's Delta brainwaves." If a person is sick, the [...]