Lots of people believe that their memory gets worse as they get older. But this doesn't have to be true for you. Research shows there are some things you can do to help keep your brain active and your memory sharp as you age. Both physical exercise and mental exercise will help your memory. Physical exercise improves circulation of the blood. This helps your brain function better . Keep your body active by walking, going to the gym, swimming, or riding your bike. Your brain, like your muscles, also needs exercise to stay in shape.Try to challenge yourself by doing mental exercises. Do crossword puzzles, read a lot, and play games that require thinking-games like chess. All of these mental exercises will help improve your memory. Remember, memory is like a muscle. The more you use it, the better it gets. brain active 活躍腦力 physical exercise 物理(體能)運動 mental exercise 腦力運動 circulation of the blood 血液循環 brain function 腦功能 gym 體育館, 體育中心 muscles 肌肉群 crossword puzzles 縱橫字謎遊戲