The College of Charleston's Natalie Matthews explores the devastating effects of social media on college-age women.

But why is American food so unhealthy? It's not just that Americans eat too much, which they do, but it's also what they eat that's unhealthy: fat, sugar, salt and ultra-processed foods.

You may think you are eating healthy and getting all the essential nutrients you need. But there is a good chance you are still guilty of these unhealthy eating habits that may derail your efforts ...