- Animals are mostly likely sentient and feel pain and can suffer like we do [1]
- Pigs are as smart or smarter than small children [2]
- We don't need to enslave and kill animals anymore to survive [3]
- Large scale animal farming is harmful to the environment [4]
- Working in a slaughterhouse can cause PTSD and has other emotional toll on workers [5]
The main reason why we still eat meat is because it's cultural and because we like the taste of it.
So considering the above, it's highly illogical to continue this myth of needing animal protein.
The future of food is plant-based and we don't have to give up the taste and texture that meat products currently provide. There are alternative products like http://beyondmeat.com that are superior to meat.
If you can opt out of the perverted and insane system that the meat industry is, why wouldn't you?
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[1] http://www.livescience.com/39481-time-to-declare-animal-sent...
[2] https://www.youtube.com/watch?v=mza1EQ6aLdg
[3]http://www.ncbi.nlm.nih.gov/pubmed/19562864 It is the position of the American Dietetic Association that appropriately planned vegetarian diets, including total vegetarian or vegan diets, are healthful, nutritionally adequate, and may provide health benefits in the prevention and treatment of certain diseases. Well-planned vegetarian diets are appropriate for individuals during all stages of the life cycle, including pregnancy, lactation, infancy, childhood, and adolescence, and for athletes.
[4] http://www.ciwf.org.uk/factory-farming/environmental-damage/...
[5] http://advocacy.britannica.com/blog/advocacy/2013/03/creatin...
edit: formatting