Clip: Season 1 | 4m 19s
Scientists are finally able to prove the health hazards of smoking.
Aired: 03/29/15Video has closed captioning.
Problems Playing Video?
Genentech, Cancer Treatment Centers of America, Siemens, David H. Koch, Bristol-Myers Squibb, the Alfred P. Sloan Foundation, Kovler Fund, The Arthur Vining Davis Foundations, the American Association for Cancer Research, the American Cancer Society, The Leukemia and Lymphoma Society, the Entertainment Industry Foundation, Stand Up To Cancer (SU2C)