KNTV NBC Nightly News With Lester Holt June 4, 2024 23:22:00
All of the above. i do it for exercise and because i love the puzzle. solving the puzzle. >> reporter: new research from mcmaster university in canada shows solving that puzzle is part of keeping her brain healthy. scientists have found that using gps does too much brain work for us. >> they're extremely convenient but they take the thinking out of it. they take the brain effort out of it, and it may be doing us a disservice in the long run. >> reporter: losing navigational skills can lead to cognitive decline, even dementia, but reading a map stimulating the hippocampus, the part of the brain...