Mastering your camera can help your brain

You know you have to add mental exercise to your daily activities if you're going to live to a healthy and happy old age.

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<p><a href="http://www.physorg.com/news144854807.html">Mastering your camera can help your brain</a></p> <p>You know you have to add mental exercise to your daily activities if you're going to live to a healthy and happy old age.</p>