Cheeseburger (300 Calories) from How College Kids Gain That 'Freshman 15' (Slideshow)

How College Kids Gain That 'Freshman 15' (Slideshow)

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Cheeseburger (300 Calories)

McDonald's Cheeseburger. Serving Size: 1 burger. 300 calories.

The cheeseburger is a comfort food and quick go-to meal for many college kids. "Everybody is hard-wired to prefer foods that are sweet, salty, and high-fat," says Reinagel. "As we get older, we start to realize that if we're going to stay healthy and reasonably slim, we can't give into every craving." Make sure if you are going to be up late, you fuel up before you go out.