Not quite the same thing, but glucose is the main source of energy for the brain. It's just that refined sugar is usually not how you get your glucose. But sure

Not quite the same thing, but glucose is the main source of energy for the brain. It's just that refined sugar is usually not how you get your glucose. But sure, eating sugar might give you a temporary boost in IQ - before the crash. https://www.ncbi.nlm.nih.gov/books/NBK22436/ https://www.ncbi.nlm.nih.gov/books/NBK22436/