Almost every study that looks at this finds that there is. Between the time for deeper contemplation, cognitive load of sustained attention and greater potential information content of a larger body of text compared with a smaller one, someone who reads books is generally going to more competently understand things gestures generally than someone who gets everything from articles online.
Have they found a modern day metric that we should all be hunting in our quest for reading health? A literary equivalent to the daily 10,000 steps?
Maybe 10,000 words!