A regimen of prescription pills may explain the highest blood concentration of a phthalate ever observed, medical researchers say. Phthalates are used as solvents, in plastics formulations, and for other purposes.
Last year, Russ Hauser of the Harvard School of Public Health in Boston and his colleagues found that men with high exposures to certain phthalates are likely to have sperm abnormalities (SN: 5/31/03, p.
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