In 1895, on turning 50, Elie Metchnikoff became increasingly anxious about aging. As a result, the Russian Nobel prize-winning scientist, and one of the founders of immunology, turned his attention away from immunology and towards gerontology – a

The enteric nervous system (ENS) in our gut operates a lot like other neural networks in the brain and the spinal cord – so much so that it's often called the 'second brain'. Now a new study has revealed more about how exactly the ENS works.

From the end of March 2020 to the beginning of April 2021, there were 5,535 more deaths than expected among Canadians aged 0 to 64 had there been no pandemic, of which 1,380 were attributed to COVID-19. This suggests that the observed excess mortality is…