system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why do migraines cause nausea and vomiting?
gpt
* One theory is that your body think's its being poisoned.
* When you brain gets conflicting signals from your various senses then it thinks one ore more of them is being fooled by some sort of dingoes thing.
* So it triggers reactions to purge you of poison you may have consumed.