The researchers also identified a relationship between anosmia to isovaleric acid, an organic compound with a cheese or foot odor. Interestingly, parallels are drawn between anosmia to trimethylamine and anosmia to male and female pheromones, which posters have noted as behaving similarly to PATM. I think its worth taking a look the relationship between TMAU and PATM, as they both seem to stem from faulty digestion and behave similarly to PATM. I think its quite likely that many humans have "anosmia" to PATM, even though many of us don't elicit a noticeable odor.