Playing this game won't make you feel older, unless you're already getting up there in age. iStockphoto.com hide caption toggle caption iStockphoto.com Shots - Health News Want To Feel 5 Years Older? Just Take A Memory Test October 10, 2013 How old you feel can affect your physical and mental health. Older people who took a memory test said they felt older after they took the test than they did before. But researchers say this age shift effect can be positive when older people are tested on something they're great at, like word puzzles.