Dr. Ethan Russo continues with the physical examinations on four legal marijuana patients recieving Cannabis from the US government under Investigational New Drugs program. In this segment, the following are performed: Brain-wave (EEG) tests; pulminary function ; chest x-rays; immune system function; endocrine system; and hormonal system tests. Also, the “P-300″, an Evoke-Potential electro-physical test of memory is reported on. The details of this test had to be edited from this segment for time constraint, but the entire study can be viewed at: video.google.com Study presented to Second Clinical Conference on Cannabis Therapeutics, hosted by Patients Out of Time. DVDs are available at: www.medicalcannabis.com