These Photos Show The Physical Toll Of Being President Of The United States

Everybody grows older, but when you're president of the United States, the physical aging process happens a lot more quickly.

The current commander in chief, Barack Obama, started going gray just 44 days into his first term as president. While some of those grays may be natural, there's no question having the toughest job in the world might be contributing to the aging process.

Check out how Obama, John F. Kennedy, George W. Bush and others aged in office...