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This Week in PNAS

In the early online edition of PNAS, scientists from Imperial College London and Pfizer report a successful application of metabolic profiling. Using NMR to profile the urine of 99 men who were given acetaminophen, they found that those with higher initial levels of p-cresol sulfate metabolized the drug less effectively than those with lower levels.

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Bloomberg reports that the DNA-for-cash deal reported in Kentucky might be a more widespread scam.

St. Jude Children's Research Hospital scientists have treated infants with X-linked severe combined immunodeficiency using gene therapy in an early phase study.

St. Louis Public Radio reports that some African Americans are turning to DNA ancestry testing to help guide genealogical searches.

In Nature this week: a genomic analysis of the snailfish Pseudoliparis swirei, ancient DNA analysis gives insight into the introduction of farming to England, and more.