There’s books that go into greater detail on this, but this article should serve as a good reminder:
“It’s no secret that reading is good for you. Just six minutes of reading is enough to reduce stress by 68%, and numerous studies have shown that reading keeps your brain functioning effectively as you age. One study even found that elderly individuals who read regularly are 2.5 times less likely to develop Alzheimer’s than their peers.
A 2014 study found that readers of a short mystery story on a Kindle were significantly worse at remembering the order of events than those who read the same story in paperback.”