Another morning another article https://www.theguardian.com/lifeand...-science-ketagenic-michael-mosley-diabetes-ms A lot about the Newcastle diet. fasting might have a beneficial effect on our brain makes sense from an evolutionary perspective. If our caveman ancestors hadn’t eaten for a few days it would make sense for them to do something about it. “This ketone signal tells the brain ‘hey, brain, you better figure out how to get some food because if you don’t there’s going to be a problem soon’,” says Mattson. “Now we’re eating three meals a day plus snacks so we’re never going to raise our ketones. If we fast from time to time, maybe we can take advantage of this evolutionary adaptation to help us in modern life.”