Eat right, get some exercise and stay in shape.  Seems like a pretty easy recipe doesn't it?  Except no one tells you exactly how much of each to have.  What exactly does it mean to 'eat right'?  How much exercise are you supposed to get?  What workout routines should you do?  How long are you supposed to do it?  Too much work!?

It's true that those are the key ingredients for a healthier you. Eating right is probably easier than working out properly since the FDA put out the food pyramid. But exercise depends mainly on your size, age, and how much you can handle, which depends upon how often you work out.

A 15-year-old girl who is 120 pounds and 5'7" would not walk into a gym for the first time and start benching 270 pounds, unless she's got some freaky upper body strength.  A gym pro wouldn't walk on the treadmill for 20 minutes without breaking a sweat and call it a day.

If you're wondering just how much you should be working out and for how long, know there is no set regulation - it really depends on your body type and you!