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Signs of the Times: Biomarkers in Perspective Charles W. Schmidt Abstract
As the health sciences move closer toward understanding why some people seem particularly vulnerable to environmental toxicants, one group of tools has emerged as especially important: biomarkers. Scientists rely on biomarkers to track each phase of the dose–response continuum, from exposure through effect, and since their discovery in the last few decades, these tools have become an integral part of environmental health research. Although many resources have been allocated to the search for more biomarkers, the task has been slow and often frustrating, even as the advent of genomics and related fields has dramatically accelerated this effort.
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