In addition to what RomeoStevens said, a lot of the complications come in as sub-rules to the two rules stated. Different sources of calories get used for different things, and there are an awful lot of micronutrients.
In addition to what RomeoStevens said, a lot of the complications come in as sub-rules to the two rules stated. Different sources of calories get used for different things, and there are an awful lot of micronutrients.