This Week in Nature

In this week's Nature, investigators from Imperial College London report on the discovery of 75 genetic regions associated with human red blood cell phenotypes, offering new details about blood cell production and function. The team conducted a genome-wide association study of hemoglobin concentration and related parameters in more than 135,000 individuals and, in addition to identifying the genetic loci, pinpointed 121 candidate genes enriched in functions relevant to red blood cell biology.

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The Atlantic reports that genetic counselors are coping with an influx of patients seeking advice on their direct-to-consumer genetic test results.

A small study finds differences between three genomic prostate cancer tests, Medscape reports.

In Nature this week: shared genetic architecture for asthma and allergic diseases, and more.

A survey of Canadians finds them to be divided on genetically modified food, the Ottawa Citizen reports.