The rise of fast food chain restaurants was one of the most notable — and controversial — dining trends of the 20th century.

To determine who loves their Big Macs the most — researchers looked at how many fast food restaurants versus general restaurants each state had. Then they compared each state’s population to ...

McDonald's is America's favorite fast-food restaurant, with people searching for the Illinois-based chain on the internet in more states than any other establishment. That's according to a study ...