The frequency of the Pipe is used to stimulate the flow of blood to areas of the body. Arthritis is a prime example of poor circulation in the joints. Once the flow of blood is returned to the damaged areas it will start to heal itself. The Circulation frequency works on Diabetes and other diseases, as well. The circulation of blood refers to its continual flow from the heart, through branching arteries, to reach and traverse the microscopic vessels in all parts of the body, recon verging in the veins and returning to the heart, to flow thence through the lungs and back to the heart to start the circuit again. This uninterrupted movement of the blood is necessary to maintain the supply of oxygen from the lungs and nutrients from the gut, as well as for the distribution of hormones. Note: F.