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IJE Advance Access originally published online on September 20, 2006
International Journal of Epidemiology 2006 35(5):1159-1160; doi:10.1093/ije/dyl186
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Published by Oxford University Press on behalf of the International Epidemiological Association © The Author 2006; all rights reserved.

Commentary

Commentary: Evolution of action in cells and organisms

Kenneth M Weiss

Departments of Anthropology and Biology, Penn State University

E-mail: kmw4@psu.edu

The first 10% of the full text of this article appears below.

Vineis and Berwick (V&B)1 raise important issues about the ‘Darwinian’ nature of cancer. It is a story of the evolution of populations of people and of cells. Cancer involves somatic changes in cells that must live, cooperate, and compete with other cells. The distinction between cells and organisms is in many ways a human rather than a biological one.2 Cells are organisms that, in some instances such as in the bodies of vertebrates, often happen to be stuck to each other. But even free-living single-celled species, such as bacteria, interact with each other (and even sometimes stick to each other!).

The great insight of AG Knudsen3 transformed . . . [Full Text of this Article]


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