That's an awfully careful definition, though ("specifically or uniquely bad".) The article does report how researchers found brain differences in those most "ad

That's an awfully careful definition, though ("specifically or uniquely bad".) The article does report how researchers found brain differences in those most "addicted" to short-form content. Correlation vs. Causation of course. Gambling addicts also show brain structure correlations (https://www.apa.org/monitor/2023/07/how-gambling-affects-the-brain https://www.apa.org/monitor/2023/07/how-gambling-affects-the...), so I don't think this is a surprising result.