A study published today in Nature says that women are more likely than their male counterparts not to appear in research papers on which they have collaborated.

Castilla-La Mancha has sealed a farm in Toledo after a minor was hospitalised (and later discharged) after drinking water from a tap. Analyses by the Instituto de Salud Carlos III have confirmed that it is not cholera. Although the bacteria consumed is the same, in this case it did not contain the toxins that cause the disease.

The journal JAMA today publishes several articles, along with an editorial, in which the US Preventive Services Task Force recommends against the use of vitamin supplements to prevent cancers and cardiovascular disease.

The UN-driven Sustainable Development Goals (SDGs) have influenced governments' narratives around sustainability, but have not led to substantial changes in legislative action or resource allocation, according to an analysis published in the journal Nature Sustainability that has analysed more than 3,000 studies.

The Minister of Health, Carolina Darias, announced in an interview on La Sexta that there will be a fourth dose of the covid-19 vaccine "for the entire population".

A study published in Nature identifies a metabolite produced during exercise that can effectively reduce food intake and obesity in mice. It has also been found in humans.

Brain lesions that cause spontaneous remission of tobacco addiction in humans affect a brain circuit common to different addictive behaviours, concludes a study published in Nature Medicine. Understanding this brain network opens the way to new therapies against addiction. 

A metagenomic comparison of the infant gut microbiome of industrialised and non-industrialised populations reveals robust differences that researchers say are lifestyle-dependent. The research involved samples from infants of Hadza, a group of modern hunter-gatherers living in Tanzania, and is published in the journal Science.