Irish Mudder

You are standing in a forest. The forest is full of rabbits. Hundreds of them. You have a reliable means of catching them. You are catching and eating them every day, as many as you need, as many as you can consume. You are eating nothing but rabbit. Protein in every meal. More protein than most people eat in a month. You are dying. Not from starvation in the conventional sense. Not from lack of food. From a specific and documented metabolic failure that the Arctic explorers who encountered it called rabbit starvation, and that the Plains Indians who had encountered it long before any European arrived had understood well enough to have a practical rule about it: you do not eat lean meat alone. If the animal is too lean, you do not eat it at all until you find fat. What happens: the liver can only process a certain amount of protein per day. Pure lean protein, consumed in large quantities with insufficient fat, overwhelms that capacity. The body has no mechanism for storing excess protein; it attempts to process all of it, and the processing consumes B vitamins, generates ammonia as a metabolic byproduct, and eventually produces a cluster of symptoms: nausea, diarrhoea, headache, increasing weakness, that worsen rather than improve the more you eat. The brain interprets this as starvation because at the cellular level it functionally is, regardless of the volume of food being consumed. Lewis and Clark documented it. In their journals. The passages describing the periods when they were subsisting primarily on lean game: deer that were too thin, lean season meat, describe increasing weakness and what they called a gnawing hunger that eating more did not resolve. The men ate and were still hungry because the hunger was not for protein. It was for fat. The Plains Indians would not eat lean animals. Full stop. If a buffalo was killed and found to be too thin: late in the hard season, insufficient body fat, the meat would be given to the dogs. A practical policy based on generations of observational data about what happens when you eat lean meat without fat, and the answer is that you decline rather than improve. Vilhjalmur Stefansson, who spent years living on Arctic meat diets, documented the same thing. The Inuit would not eat lean meat alone. The fat was not a luxury component of the meal. The fat was the point. The meat without the fat was not food in any functional sense. Two to three pounds of properly fatted meat per day. That's it. That's enough. That's more than enough. The hunger disappears. The energy is stable. The body doesn't ask for anything else. The idea that you need more protein, that you should strip the fat for leanness, that a chicken breast is the optimal form of animal food: that idea is so recently constructed, so perfectly inverted from everything the humans who ate animal food for 2.5 million years understood, that I genuinely don't know whether to be impressed by the achievement or depressed by the scale of it.

Right. Chicken. I don't want to have this argument, but here we are. Chicken became the flagship protein of the health movement somewhere in the late 1980s and never really had to justify itself after that. It just... stayed. Low fat, high protein, endlessly versatile, allegedly perfect. The non-negotiable centre of every meal prep container that has ever been photographed on Instagram next to a jar of overnight oats. Here's the issue. Chicken is what it eats. And what commercial chicken eats is soy, corn, and grain: a fat profile that is disproportionately omega-6 polyunsaturated fatty acids, concentrated predominantly in the skin and fat. That fat is linoleic acid. And linoleic acid, consumed consistently, integrates into your cell membranes and adipose tissue, where it oxidises, produces inflammatory byproducts, and sits there doing exactly that for the better part of two years. You cannot out-cardio your cell membrane composition. Beef fat is saturated. It is stable at cooking temperatures. It does not oxidise into aldehydes when you fry it. It has been part of the human food supply since before we had cooking and before we had agriculture and before we had anyone to tell us whether it was healthy, because back then the benchmark was simply whether you were still alive. Long-term carnivores figure the chicken thing out around year two. They can't always articulate what's wrong: digestion isn't quite right, energy is inconsistent, something is off. They remove chicken. Things settle. They stand in the kitchen holding a packet of mince with the quiet look of someone who has just understood a joke they heard years ago. The chicken was not the hero it was cast as. It was just the most photogenic protein available at the time.

Breaking news for anyone who hasn't worked this out yet: Cows are vegan. No, stay with me. The cow eats the grass. The clover. The herbs. The wildflowers. The diverse, mineral-rich, organically grown plant matter from the field. The cow then, and this is where it gets interesting, converts all of that plant material into complete protein, bioavailable heme iron, zinc, B12, fat-soluble vitamins, omega-3 fatty acids, creatine, and carnosine. Using its four stomachs. Which are considerably better at this than yours. So technically, the most efficient way to eat a plant-based diet is to let a cow do it first. The cow is the blender. The cow is doing the processing you cannot do yourself. When you eat beef, you are eating a hyperconcentrated, biologically optimised, grass-powered superfood that a vegan has been assembling for you in a field for eighteen months. You're welcome.