news 2022

Temperature and mortality are linked. There is a short-term increase in mortality when temperatures are at their hottest or coldest - a phenomenon known as a "U-shaped relationship”.

The more social relationships we have, the more certain structures in our brain are developed. This has been the hypothesis of various neuroscience research projects for several years. With previous findings having highlighted the role of our social environment as one of the key factors behind the expansion of the cerebral cortex, researchers from Inserm and Université Lyon Claude Bernard Lyon 1, in collaboration with the University of Pennsylvania, went one step further in elucidating this link.

Several months after infection with SARS-CoV-2, some patients are still having symptoms - a phenomenon known as "long COVID” or "post-COVID-19 condition”. Still poorly understood, scientists are now attentively studying long COVID in order to improve knowledge and offer patients the best possible treatment.

Within the 50,000 known species of spiders about 20 have developed a permanent social life characterised by a remarkable cooperation 1 . Among these, one or two species hunt "in packs", such as the Anelosimus eximius spiders of French Guyana, whose colonies can house several thousand individuals of all ages, coexisting peacefully in gigantic webs that often reach several cubic metres.

The infant mortality rate (IMR) is a key indicator of population health. In the absence of updated data on the statistical trends of this indicator in France, researchers from Inserm, Université de Paris, the Paris public hospitals group (AP-HP) and Nantes University Hospital, in collaboration with teams from the University of California, analyzed civil registry data from the French National Institute of Statistics and Economic Studies (INSEE) from 2001 to 2019.

Among the 17.1 million young Europeans who declared having used cannabis in the previous year, 10 million were between the ages of 15 and 24. Unsplash France has one of the world's highest levels of cannabis use, with around 40% of 17-year-olds reported to have used it in the previous year.