In a study in PNAS, scientists have found a gene that protects against lung cancer, says this BBC article. Comparing normal and diseased tissue, they found that the tumor suppressor gene LIMD1, which is located on chromosome 3p21, was deleted in most cancer tissue samples. Without LIMD1, the study's authors say, cells are more vulnerable to carcinogens like those found in cigarette smoke.

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A new study in JAMA finds that genetic tests might not be able to determine what diet is right for someone seeking to lose weight.

A genome-wide association study that linked common genetic variants to salivary gland carcinoma risk has been retracted, according to Retraction Watch.

Vampire bats' ability to live off blood is etched in their genomes and gut microbiomes, the Scientist reports.

In Genome Biology this week: peopling of the Sahara, epigenetic reprogramming analysis of liverwort, and more.