What can keep your brain young and active? Marie Pasinski____ doctor from Massachusetts General Hospital, says, “New experiences as well as a good snack.”

    The next time you feel____ (bore) at the pool, play a board game or cards. Exercising your mind with a challenging game that requires brainpower,____ chess or bridge (桥牌), is more than just fun. These types of games are so interesting____ they can build up working memory. Traveling, especially in the places where English isn't spoken, can make you____ (smart) and more intelligent. There is a great deal of recent research proving its benefits.

    ____ the other hand, eat more nuts! Not only are nuts the perfect snack for a summer road trip, they also keep your mind sharp. Some nuts are rich in magnesium(镁),____can improve learning skills and memory of mice. The research____ (publish) in the Journal Neuron last month. Another study at New York State Institute also proved the point____ (show) that mice who ate nuts made improvements in learning, memory, emotional regulation and movements, compared with____ who didn't eat nuts.