This means that you can eat tomatoes, berries or cauliflower every day if if your eat them in moderation (ie they don't make most of your daily food intake). When it comes to protein, you can do the calculation yourself. Unless you eat soy , legumes or vegan protein supplements, you simply can't get the protein you need every day. • If one would like to trace back the humans feeding habits, one should go to Africa and observe what the tribes left untouched by the so-called civilization are eating…they only eat plants. The further from the North American diet, the closer to the primordial human feeding habits.