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The challenges of genetic tests for human behavior
1Departments of Psychiatry and Human Genetics, University of Chicago, 5841 S. Maryland Ave., MC 3077, Chicago, IL 60637, USA. egershon@yoda.bsd.uchicago.edu
Summary
Genetic testing for behavioral traits offers insights into mental illness but risks discrimination. Careful, culturally sensitive applications are crucial to harness benefits while preventing harm.
Area of Science:
- Genetics
- Psychiatry
- Bioethics
Background:
- Genetic research is advancing for mental disorders.
- Historical genetic policies have led to discrimination.
- Predictive genetic tests for behavior are emerging.
Purpose of the Study:
- Review potential benefits of genetic tests for predicting mental illness and behavioral traits.
- Examine adverse effects, including discrimination and stigmatization.
- Consider the future of genetic testing in behavioral health.
Main Methods:
- Historical review of genetic policies and discrimination.
- Description of current genetic research in mental disorders.
- Analysis of anticipated genetic progress and predictive limits.
Main Results:
- Genetic data can lead to stigmatization and discrimination in healthcare, employment, education, and personal decisions.
- Individual genotypes and community allele frequencies pose risks.
- Potential for invidious discrimination exists.
Conclusions:
- Valid genetic tests will advance understanding of illness pathophysiology and inform treatment strategies.
- Genetic testing may extend to individual predictions.
- Culturally sensitive and fair applications are essential to mitigate adverse effects.