english: We manipulated people's serotonin levels by giving them this really disgusting-tasting artificial lemon-flavored drink that works by taking away the raw ingredient for serotonin in the brain.
non_english: Manipulisali smo sa nivoom serotonina,  tako što smo ljudima davali ovo izuzetno odvratno piće,  sa veštačkim ukusom limuna koje deluje tako što oduzima  sirovi sastojak serotonina u mozgu.