[St_Thomas_Aquinas]

Therefore, whoever eats the bread or drinks the cup of the Lord in an unworthy manner will be guilty of sinning against the body and blood of the Lord. A man ought to examine himself before he eats of the bread and drinks of the cup. For anyone who eats and drinks without recognizing the body of the Lord eats and drinks judgment on himself. That is why many among you are weak and sick, and a number of you have fallen asleep [died].

St. Paul

[CynicalBear]

Ezekiel 3:1 And he said to me, “Son of man, eat whatever you find here. Eat this scroll, and go, speak to the house of Israel.”

Do you literally eat the scroll (Bible) before you teach?

[daniel1212]

Therefore, whoever eats the bread or drinks the cup of the Lord in an unworthy manner will be guilty of sinning against the body and blood of the Lord. A man ought to examine himself before he eats of the bread and drinks of the cup. For anyone who eats and drinks without recognizing the body of the Lord eats and drinks judgment on himself. That is why many among you are weak and sick, and a number of you have fallen asleep [died].

Which contextually is Not speaking about "discerning the body" as referring the elements consumed, but to recognizing each member as part of the body of Christ by showing considerate care for each other by that communal meal which is supposed to "show," declare," "proclaim" the Lord's sacrificial death.

. Which is set in contrast to "shame them that have not" by not even waiting for the others but going ahead and filling their faces while others were hungry. Thus the solution is 'Wherefore, my brethren, when ye come together to eat, tarry one for another. And if any man hunger, let him eat at home; that ye come not together unto condemnation. And the rest will I set in order when I come. (1 Corinthians 11:3334) As shown and explained more here .

Even the Catholic NAB notes states concerning v. 28 states:

The self-testing required for proper eating involves discerning the body (1 Cor 11:29), which, from the context, must mean understanding the sense of Jesus’ death (1 Cor 11:26), perceiving the imperative to unity that follows from the fact that Jesus gives himself to all and requires us to repeat his sacrifice in the same spirit (1 Cor 11:18–25). - http://usccb.org/bible/1corinthians/11

[Elsie]

For anyone who eats and drinks without recognizing the body of the Lord eats and drinks judgment on himself.

1 Corinthians 12:27
Now you are the body of Christ, and each one of you is a part of it.

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Yup; Someone is FAILING TO DISCERN all right!