Rife is best for cancer patients. Cancer patients are a lot more suffering and it's hard for them to have dozen of pills at one time so they are looking for something important and health affected for them. Rife machines are being used by many of the best cancer treatment centers in usa. It shows that how it is effective for cancer patients and many health experts also refer Rife machines for their patients it is the trust level that builds by Rife machine builders by its quality and technology. These machines are full of the latest technology with multiple functions. Some of them have phanotron bulbs and some of them have dual frequency machines and a few have both of these features. The best part is that in solidarity with the cancer patients Rife machine is offering free shipment of these machines all over the USA.