No, I'm not Catholic nor do I claim my self to any one form that segregates Christianity; I am a Christian.
The breaking of the bread was a symbol of his body that was to be given for us. Jesus asked them to do this in remembrance of him. “This is my body given for you; do this in remembrance of me.” In the same way, Jesus took the cup, saying, “This cup is the new covenant in my blood, which is poured out for you”.
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Not to Catholics. I suggest you look up transubstantiation. And yes cannablism is seen as a curse because you have to be pretty freaking hungry before you engage in it, but it doesn't say that it is something to be punished for. You can interpet the Bible however you want but I see no prohibition against it.