A University of Tennessee study found that 30 seconds of Instagram scrolling is enough to make shoppers trust bold, unproven brand claims.

Scroll on social media for even 30 seconds, and your brain is already a little more tired than it was before

A University of Tennessee study found that 30 seconds of Instagram scrolling is enough to make shoppers trust bold, unproven brand claims.

My wife stared at me in shock as I ripped open the package. The FedEx driver hadn't even made it back to his truck as I held the item up overhead like a trophy. Fumbling for…