Apple QuickTime movie | 2003-03-08 | 3.1 MB | 320x240 | 18.182fps | 1 minute, 44 seconds | [MooV/TVOD]
Transcription: Now, the idea of cryotherapy is not a new one. In fact, according to the February 16th, 1995, Journal of Surgical Oncology, liquid nitrogen has been used as a freezing agent in the field of dermatology since the late 1800s. During the 1950s, 60s, and 70s, the National Cancer Institutes conducted experiments on such animals as guinea pigs, rats, dogs, and hamsters using the application of extreme cold to kill unwanted cancer cells. However, cryotherapy remained a relatively primitive science because the tools used for visualization and freezing of these unwanted cell growths were not very accur ...