How presidents have aged while in office

Published On: Sep 24 2012 08:20:28 PM PDT   Updated On: Aug 04 2015 07:46:36 AM PDT
President Barack Obama

There's a saying that presidents age twice as fast while in office. If that's true, be sure to wish President Barack Obama a happy 54th birthday on Tuesday and then see how he and other presidents have aged while in office.