HumansWhy it’s the aliens living inside you that create your sense of you Foreign cells within our bodies help determine our mental states and even contribute to our immune defences – making it tricky to define where you end and the others begin Features
HealthA sugary diet changes gut bacteria and worsens brain function in rats Rats fed a sugar syrup early in life develop an unusual gut microbiome that seems to worsen the rodents’ memories by changing the way their brains work News