Did you know that your new automobile is likely to have a larger cup-holder than your older model? That restaurants use larger plates, bakers are selling larger muffins, pizzerias have larger pans, and fast food companies are using larger French fries and drink containers than 20 years ago? Did you know that identical recipes for cookies and desserts in the old editions of Joy of Cooking specify fewer servings?
It is evident to all of us that overweight and obesity have increased sharply in the USA in adults and children in the last few years. Since studies show that activity of people has not changed much in the last decades, the increase in body overweight must come from a change in the food intake. Considering that about half the people in the USA consume their meals outside the home, the portion sizes become an important factor in the increase of body overweight.
The American Journal of Public Health published a study about the current sizes of portions in restaurants, fast foods, and food manufacturers. The authors compared the data with the sizes of the past 30 years, and they came up with some amazing numbers. First they noted that all the portions...