The arrival of agriculture coincided with a sharp rise in a gene variant that protected against the virus that causes winter vomiting, researchers from Karolinska Institutet and Linköping University report after analysing DNA from over 4,300 prehistoric individuals and cultivating ”mini guts”.

More expensive steak, cheaper tomatoes, but the same total cost for the average basket of groceries at the supermarket. A comprehensive study, led by researchers from Chalmers University of Technology in Sweden has analysed the potential effects of a food tax shift – where VAT is removed from healthy foods and levies are introduced on foods that have a negative impact on the climate. The study shows that a shift in taxes could have both environmental and human health benefits, and means that 700 fewer people in Sweden would die prematurely each year.