Forty hours on your feet or at a desk can take a toll on your body. Extra calories, dehydration, eyestrain and bacteria can attack both your health and your productivity.

Fight back with these four tips to stay healthy at work:

Sneaky Snacking. Candy and leftover holiday goodies will add extra fat and processed sugars to your diet and waistline. Partner up with another health conscious colleague and bring your own healthy snacks, to make sure you're eating healthier calories so you don't feel hungry between meals.

Annual Percentage Rate (APR) is a tool that consumers can use as a starting point to compare loan programs. However, it's important to keep in mind that APR is not a perfect system, and not all lenders calculate APR in the same way. While the Federal Truth-in-Lending Act does require any mortgage broker or lender to disclose APR to the consumer, there is no rule written in stone for calculating this number that each and every lender agrees upon.