The sizes of plates we use in the U.S. today are supersized plates compared to what we used just a few decades ago.
The same is true for serving sizes of meals. Across the board, food and beverage serving sizes have increased tremendously. And so has obesity and diabetes.
To beat obesity, we need to undo the conditioning that our society has gotten us to. We need to renew our minds to see food sizes right and develop a new paradigm.
Further Reading
http://www.dailymail.co.uk/health/article-3343129/Take-portion-sizes-1950s-beat-obesity-say-scientists-warn-portions-20-years-ballooned.html
https://foodpsychology.cornell.edu/discoveries/large-plate-mistake