BMAA: β-N-methylamino-L-alanine, a non-proteinogenic amino acid produced by cyanobacteria that is associated with neurotoxicity. Cyanobacteria: A group of photosynthetic bacteria that can produce ...

This unique ability to cross the blood-brain barrier and accumulate in brain tissue makes PFAS particularly concerning, but the underlying mechanism of their neurotoxicity must be studied further.