A study that found that people's genes can determine whether they will lose weight on a low-fat or low-carb diet has made a splash. "Knowing your genotype for low-carb or low-fat diets could help you increase your weight-loss success," Stanford University's Christopher Gardner, a co-author of the study, told the Wall Street Journal. Interleukin, the sponsor of the study and the developer of the test, sells it for $149.

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Even when given the option, not too many authors choose double-blinded peer-review for their manuscripts, ScienceInsider reports.

In PNAS this week: transcriptional read-through in stressed cells, genome stability role for the epigenetic regulator CTCF, and more.

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