Our attention spans aresquirrel!shrinking, but social media is sending mixed signals

The lack of attention span has become such a problem that Adderall, the prescription medication used to treat attention-deficit/hyperactivity disorder, has been in short supply for much of this year, as more and more people are

And the craving we have for that dopamine is driving our brains to consume smaller doses before seeking out another hit, say researchers.

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