Pigs eat grass if they are very hungry, but they can't use it as a regular source of food.

You better cut the pizza in four pieces because I'm not hungry enough to eat six.

Pigs prefer to wallow in clean mud, but if nothing else is available, they will frequently wallow in their own urine, giving rise to the notion that they are dirty animals.

Unfortunately, the food industry has not yet faced this situation and begun taking measures to avoid exploiting our weakness for not knowing when we have had enough.

Here you do have forests, where pigs could be raised by letting them root about in the forests for a good part of the year. Therefore, you have a different attitude toward them compared with what continues to exist in the Middle East.

Yes, a general principle that comes out of research behind Good to Eat is that there are no world religions that have acted to decrease the potential for the nutritional well-being of their followers.