ManualF150
.308 Win
Like all other sorts of malnutrition, there is a specific disease associated with a deficienct if carbs and/or fats.
Also called "rabbit starvation" because some people who used to eat a diet exclusively of very lean meat (like rabbit) could actually starve to death no matter how much of it they ate.
Protein toxicity - Wikipedia
en.m.wikipedia.org
Indians actually found that out the hard way eating deer and rabbit too much.