Proteins and fats are like air and water.  You can’t live very long without them. Carbohydrates are like Christmas presents.  They are great to have but no one really needs them.

Bigfoot, Loch Ness monster, and Carbohydrate Deficiency

It is interesting to think about food in its three basic constituents: Fat, Protein, and Carbohydrates. For each of these three constituents one can imagine a situation where there is excess or deficiency. In fact, over the centuries of recorded medical literature...