Oh, what a groundbreaking revelation we have here! Apparently, if you give mice a little nicotine party for three days straight and then slam the brakes with mecamylamine, they act like they’ve just had their favorite cheese taken away. Who would’ve thought that creatures, even tiny, whiskered ones, might show signs of “acute dependence” after a brief but intense fling with a substance? It’s almost as if—bear with me—introducing a drug and then yanking it away might cause withdrawal. Mind-blowing, right?

In this riveting episode of “Mice and Nicotine,” our intrepid researchers administered a daily dose of 0.5 mg/kg (-)-nicotine ditartrate to the mice, because, you know, that’s exactly how teenagers start smoking, one precisely measured dose at a time. After this wild three-day bender, the mice were put through the wringer with behavioral tests to see how they’d fare without their new vice.

And the results? In the open field test, the mice were less keen on exploring, which is totally unexpected because we all know how party animals become homebodies overnight. The elevated plus maze test showed that the mice preferred the closed arm after the mecamylamine challenge, suggesting they suddenly developed a taste for cozy, enclosed spaces. As for the somatic signs, let’s just say the mice were definitely not feeling their best.

But fear not, the mice’s cognitive functioning and social behavior remained unscathed, because apparently, nicotine withdrawal turns you into a couch potato but doesn’t make you any less sharp or friendly.

In conclusion, our heroes in lab coats have provided an “animal model of acute dependence on nicotine,” because clearly, we needed more evidence that withdrawal is a thing. And the moral of the story? If you’re a mouse, maybe think twice before you start experimenting with nicotine.