I think I saw a documentary where they showed that brain scans of people addicted to sugar looked the same as those addicted to cocaine, and in some lab-rat stu

I think I saw a documentary where they showed that brain scans of people addicted to sugar looked the same as those addicted to cocaine, and in some lab-rat study where they got rats/mice addicted to both sugar and cocaine, and got the choice to picke between them, they chose sugar over cocaine 9 times out of 10.