Probably not. Human and animal tests have been conducted with enormous doses and no obvious brain damage turned up. It does cause neurological changes, includi

Probably not. Human and animal tests have been conducted with enormous doses and no obvious brain damage turned up. It does cause neurological changes, including migraines, in some people, but that is probably because the molecule resembles several neurotransmitters. That's quite common with molecules that resemble neurotransmitters.