In the United States, the human papillomavirus vaccine began to be recommended in 2006 for girls aged 9-26 years. A study published in the journal JAMA Health Forum concludes that the campaign significantly reduced the risk of HPV infection in vaccinated women. In addition, herd immunity reduced the likelihood of infection in unvaccinated women.

Research published in the journal Cell has found a link between the intake of the sweeteners saccharin and sucralose with changes in the gut microbiota that may lead to altered glucose metabolism.

A study published in The Lancet finds that 44.4% of cancer deaths worldwide are due to preventable risk factors, especially smoking, alcohol consumption and being overweight. 

A study published in the journal Communications Earth & Environment (from Nature Research) estimates that a reduction of 686 million tonnes of carbon emissions could be achieved each year if the world followed a cycling pattern similar to that of the Netherlands (2.6 kilometres per day). This is about 20 % of the carbon emissions produced by the global passenger car fleet in 2015.

The UK Medicines and Healthcare products Regulatory Agency (MHRA) has approved an updated version of the covid-19 vaccine manufactured by Moderna that also targets the omicron variant. It is intended to serve as a booster dose for adults.

According to a study off the coasts of France, Italy, Spain, Croatia, Slovenia and Greece, catches of threatened elasmobranchs are higher in partially protected areas than in unprotected areas, suggesting that small-scale fishing may be affecting these species.

A study published today in The Lancet examines the clinical manifestations of monkeypox in 181 patients at three sexual health clinics in Madrid and Barcelona.

A study published in Cell Reports shows that air pollution and stress during pregnancy disrupt the brain wiring of developing male and not female mice, causing autism-like social behavior in them.

Researchers have developed a system capable of restoring some molecular and cellular functions and preserving tissues in pigs when initiated one hour after death. The study is published today in the journal Nature.

A study published in Nature shows that, in the face of climate events such as extreme droughts and floods, which are likely to increase as a result of climate change, risk management strategies may not be sufficient. The study analyses 45 pairs of data on such events with an average of 16 years between them, including the Barcelona floods of 1995 and 2018.