Further Readings
Bartecchi, C. E., and others. "The Global Tobacco Epidemic." Scientific American, May 1995, 44-51. Cigarette smoking has stopped declining in the United States and is rising elsewhere in the world. Cavenee, W. K., and R. L. White. "The Genetic Basis of Cancer." Scientific American, March 1995, 72-79. An accumulation of gene mutations causes normal cells to become cancerous. Cohen, L. "Diet and Cancer." Scientific American, November 1987, 42-48. Diet appears to play an important role in cancer, particularly breast cancer, which is associated with high levels of dietary fat. Crick, F. H. C. "The Discovery of the Double Helix Was a Matter of Selecting the Right Problem and Sticking to It." Chronicle of Higher Education 35 (October 5, 1988):B1-2. Francis Crick's own recollections of the hectic days when he and James Watson deduced that the structure of DNA is a double helix.		Greaves, M. Cancer: The Evolutionary Legacy. Oxford University Press, 2000. Discusses the natural history of humans and cancer. Nowak, R. "Mining Treasures from 'Junk DNA'." Science 263 (February 4, 1994):608-10. If "junk DNA" really is junk, why do we have so much of it? Pistoi, S. "Breast Cancer: Knocking Out a Killer." Scientific American, June 2001. Talks about the current genetic understanding of breast cancer and summarizes what we still need to know. Tjian, R. "Molecular Machines That Control Genes." Scientific American, February 1995, 54-61. Elaborate protein complexes that assemble on DNA control the activities of our genes.
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