Dieting is one of those things that is completely integrated into American culture. On any given day, a huge portion of the U.S. population is "on a diet" and "counting calories" in one way or another. And look at how many of the diet names in the following list you recognize:

  • The Atkins Diet
  • The Cabbage Soup Diet
  • The Grapefruit Diet
  • The Hollywood Miracle Diet
  • The Rice Diet
  • The Scarsdale Diet
  • The Zone Diet
You probably recognize many of these names because you hear them all the time!

In this edition of HowStuffWorks, we will look first at weight gain and why gaining weight is so easy. Then we will look at what you can do about weight gain -- in the form of diet and exercise -- to maintain a consistent weight.