Does toothpaste trigger migraines? What the new AHS 2026 trial found — and its one big flaw. This is a cool study, but we need a bigger, longer trial with a real sham toothpaste before anyone changes their life. The smart takeaway is this: if brushing your teeth reliably triggers attacks, track it, talk to your doctor, and consider a boring, low-flavor toothpaste option. #migraine #headache #migrainerelief #brainhealth