Ancient human DNA suggests that Columbus may not have brought syphilis to Europe after all

2,000-year-old bones add evidence against the idea that Columbus brought syphilis to Europe. A European outbreak of the STD at the end of the 14th century was long attributed to the conquistadors. But DNA analysis does not match that story, a new study shows. The idea that Christopher Columbus brought syphilis from the New World … Read more

Simple intervention with bean diet shows significant prebiotic effects

A new study in eBioMedicine examined the impact of including canned navy beans in the regular diet for eight weeks. This study focused on how such dietary change affects the gut microbiota, as well as circulating markers and metabolites, in obese individuals with a history of colorectal neoplasia and precancerous polyps. The study also included … Read more

Fermented foods may have fueled human brain growth, a new theory of evolution suggests

In a review published in the journal Communication Biologyresearchers in the United States of America described the potential role and benefits of externally fermented foods in inducing human brain expansion. They further discussed the explanatory power of their ‘external fermentation hypothesis’ and examined relevant food practices in human cultures. Image credits: Busker909 / Shutterstock Background … Read more