It's that darned tryptophan metabolite phenomenon.

Pesky biogenic amine names all sound the same-- though melanin isn't melatonin. And neither one of them is serotonin or norepinephrine or adrenaline, either. Darn, darn, darn. Guess the Nobel committee isn't going to be calling on this one any time soon.


Schrödinger's cat walks into a bar. And doesn't.