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DTC Genetic Testing Still a Hot Topic

The debate about DTC genetic testing, who should have access to it, and whether a medical professional should be involved continues to create debate among bloggers. The Gene Expression blog's Razib Khan says that while having a doctor present for deciphering genomic test results isn't necessarily a bad thing, the possibility for "misinformation inadvertently fostered by DTC personal genomics" is not on the same scale as misinformation about vaccines. And, he adds, medicine has its own problems as a field. What makes sense, Khan says, is to invest more in genetic counselors, and consider them as another "medical subfield" specializing in genetic testing. "The professional system which produces M.D.s will probably have to change to adapt to the times, as motivated patients will (like me) will have access to enough real-time information to understand that doctors are not omniscient, and need a great deal of complementation to maximize the fruit of the most up-to-date research," he adds.

The Scan

Self-Reported Hearing Loss in Older Adults Begins Very Early in Life, Study Says

A JAMA Otolaryngology — Head & Neck Surgery study says polygenic risk scores associated with hearing loss in older adults is also associated with hearing decline in younger groups.

Genome-Wide Analysis Sheds Light on Genetics of ADHD

A genome-wide association study meta-analysis of attention-deficit hyperactivity disorder appearing in Nature Genetics links 76 genes to risk of having the disorder.

MicroRNA Cotargeting Linked to Lupus

A mouse-based study appearing in BMC Biology implicates two microRNAs with overlapping target sites in lupus.

Enzyme Involved in Lipid Metabolism Linked to Mutational Signatures

In Nature Genetics, a Wellcome Sanger Institute-led team found that APOBEC1 may contribute to the development of the SBS2 and SBS13 mutational signatures in the small intestine.