They didn't, but food was much less processed then. Of course, a lot of it was also spoiled/rotten, possibly contaminated, diseased, etc.
From the standpoint of the diet that human evolution is adapted to, you have to look back to hunter/gatherer diets. Meat, fruits and vegetables, and frequent periods of near-starvation. I've sometimes wondered what a diet of one or two big meals of meat per week, with the occasional handful of nuts and berries on other days would be like.
>I've sometimes wondered what a diet of one or two big meals of meat per week, with the occasional handful of nuts and berries on other days would be like.
Assuming your general health and all, if you were careful in your nutrient profile, there's no reason you couldn't try it for, say, a week and and see how you felt.
From the standpoint of the diet that human evolution is adapted to, you have to look back to hunter/gatherer diets. Meat, fruits and vegetables, and frequent periods of near-starvation. I've sometimes wondered what a diet of one or two big meals of meat per week, with the occasional handful of nuts and berries on other days would be like.