By Dr. Brian McDonough

By Dr. Brian McDonough, Medical Editor

PHILADELPHIA (CBS) – With a nation on the run, with countless single parents, or couples trying to split time between work and the demands of a heavy family schedule, fast-food restaurants can offer a quick and often cheap, filling meal.

Fast food restaurants are not entirely to blame for our nations growing weight problem. Many offer healthy options. But studies show that most of us turn them down because of other reasons. As a result, we are facing obesity as an issue.

The combination of lack of exercise and high fat foods is causing us to be obese. Recent studies have shown it is not just fast food but larger portions that can also be a problem.

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