So, their diet is a little bit of that-- some of their protein from that, then bread, olive oil, fruit, vegetables, cheese, milk, those kinds of things they can do.
Since 1 calorie of beef requires 8 times as much input of grain as a single calorie of bread, Petrela recognizes that rising protein consumption means a rising demand for grains which in turn means a rising demand for global farmland.
They reduced the amount of sugar they were eating, swapped white bread for whole grain and started planning high-protein meals with lots of vegetables.
