Canadians who eat ultra-processed foods at risk of developing brain damage and dementia: study CTV NewsWe know junk food isn’t healthy, but scientists are trying to determine if it’s also bad for our brains CBCChips, cereals and frozen meals could raise risk of brain damage and dementia, study finds CTV NewsScientists Gave People 2 Nearly Identical Meals. One Triggered Much More Insulin. ScienceAlert