> Right now livestock is the best thing we have for turning stuff humans can't eat into stuff humans can. I can't eat grass. Sheep can. Cows can. Hens eat everything.
Almost all humans can live healthily without eating animals.
> Because there are so many protein-rich plant foods, you can easily get enough protein on a vegan diet. Plus, experts agree that a well-planned plant-based diet provides all of the nutrients you need, including protein (2Trusted Source, 3Trusted Source, 4Trusted Source).
Obviously I didn't advocate for eating grass as humans can't digest it. Have a look at [0] for a diverse list of foods that don't involve animals. It's nutritious and delicious. And no cruelty involved at all.
Almost all humans can live healthily without eating animals.
> Because there are so many protein-rich plant foods, you can easily get enough protein on a vegan diet. Plus, experts agree that a well-planned plant-based diet provides all of the nutrients you need, including protein (2Trusted Source, 3Trusted Source, 4Trusted Source).
https://www.healthline.com/nutrition/vegan-protein-sources-c...