They probably have cultures of smaller portions, less processed food, and less added sugar (especially drinks). Example: compare the size of a Japanese mosburge

They probably have cultures of smaller portions, less processed food, and less added sugar (especially drinks). Example: compare the size of a Japanese mosburger with a burger & fries meal in the US: http://www.thetraveltester.com/wp-content/uploads/mos-burger-tokyo-japan-2.jpg http://www.thetraveltester.com/wp-content/uploads/mos-burger... When you meet foreign travelers, ask them what they think about US serving sizes. Many of them find it shocking.