Los Angeles Times | In-Your-Face Fitness: Dumbbells can make you brainy.

Voss and her team examined more than 100 studies on the topic and discovered some interesting things. Here’s one: The brain benefits of resistance training (such as lifting weights) seem to differ from those you get from aerobic exercise. “Aerobic exercise improves ability to coordinate multiple things, long-term planning and your ability to stay on task for extended periods,” she said. Resistance training, which is much less studied than the aerobic side of things, “improves your ability to focus amid distracters.”