Not every new college student gains the famous “Freshman 15” pounds. Some gain much more. While some students don’t gain any weight at all.

No matter the case, leaving home for college presents a lot of health challenges for students — many who are living, eating and cooking on their own for the very first time. But weight gain in college isn’t inevitable. Let’s look at some of the reasons why it does happen. And some smart ways to prevent it.

      The emotional and social reasons for the "Freshman 15."

      Practical tips for preventing weight gain.