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| Medical and Ethical Issues in Genetic Screening--An Academic View Neil A. Holtzman Department of Pediatrics, The Johns Hopkins University School of Medicine, Baltimore, Maryland Abstract
This article is intended to acquaint those whose principal concerns are the health and safety of workers with genetic screening and some of the medical and ethical issues it raises. Population-based genetic screening increasingly is being considered for predicting future disease in the person being screened. A major problem in screening for alleles that contribute to the development of common, multifactorial disorders is low sensitivity and positive predictive value. In many instances, no demonstrably effective prophylaxis or treatment is available to help those with positive test results. This creates ethical problems of assuring that testing is in the person's best interest and raises in turn issues of autonomy, discrimination, and privacy. Instead of screening for genetic predispositions to harm from workplace exposures, other means of improving the health of workers may bring greater benefits to a higher proportion of workers. The current state of genetic tests for chronic beryllium disease are considered. None are suitable for screening. -- Environ Health Perspect 104(Suppl 5) :987-990(1996) Key words: genetic screening, occupational health, chronic beryllium disease, genetic tests
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