Experts have implemented a separate set of observations, after which physicians draw certain conclusions. It turned out that one serving of rice should be the size of a tennis ball. In addition, the project authors stated that one serving of pasta should easily fit in the wrapper muffin. The researchers found that one serving of grapes must be of the same size as a simple light bulb.

Moreover, scientists have documented that one serving of cheese should not exceed the size of the battery "crone". Optimum serving of raisins can be determined using chicken eggs. In this portion of meat should not exceed the size of a deck of playing cards.