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'One in Six'


In a new review article published in Lancet Oncology, researchers from the International Agency for Research on Cancer in France write that one in six cancers globally are caused by some kind of infection, reports BBC News' Michelle Roberts. The researchers looked at the rates of 27 different cancers in 184 countries, and found that about 2 million cancers a year are caused by one of four viruses or bacteria — human papillomavirus, Helicobacter pylori , and hepatitis B and C viruses — Roberts says. These infections can cause cancer of the cervix, gut, or liver. The researchers say existing public health approaches to preventing infection could have a substantial impact on lowering the rates of these kinds of cancer, if they are broadly implemented. "Vaccines are available to protect against human papillomavirus — which is linked to cancer of the cervix — and hepatitis B virus — an established cause of liver cancer," Roberts says. "And experts know that stomach cancer can be avoided by clearing the bacterial infection H. pylori from the gut using a course of antibiotics."

The Scan

Ancient Greek Army Ancestry Highlights Mercenary Role in Historical Migrations

By profiling genomic patterns in 5th century samples from in and around Himera, researchers saw diverse ancestry in Greek army representatives in the region, as they report in PNAS.

Estonian Biobank Team Digs into Results Return Strategies, Experiences

Researchers in the European Journal of Human Genetics outline a procedure developed for individual return of results for the population biobank, along with participant experiences conveyed in survey data.

Rare Recessive Disease Insights Found in Individual Genomes

Researchers predict in Genome Medicine cross-population deletions and autosomal recessive disease impacts by analyzing recurrent nonallelic homologous recombination-related deletions.

Genetic Tests Lead to Potential Prognostic Variants in Dutch Children With Dilated Cardiomyopathy

Researchers in Circulation: Genomic and Precision Medicine found that the presence of pathogenic or likely pathogenic variants was linked to increased risk of death and poorer outcomes in children with pediatric dilated cardiomyopathy.