MicrobeWorld

Last week, Sci covered a paper on the nematode “version” of oxytocin, nematocin, and its role in learning behavior. We usually think of oxytocin-like peptides (including oxytocin and vasopressin), as being linked with emotion, trust, love, and of course, sex. But oxytocin also tends to get a lot of hype, especially as the “love”‘ or “trust” hormone. But it’s not that. It’s much more complicated than that. And understanding the evolution of oxytocin, and its very long history, allows us to understand HOW much more complicated than that.

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