It is a non saturated edible fat and as such does not clog your
artery's.
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It is very unlikely that paper would clog arteries, since it
would have to be surgically implanted to get into an artery and
there is no reason why any surgeon would want to do that. Paper is
not part of the human diet, but even if you did eat paper, it would
still not get into your arteries.
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No, butter will not clog your arteries if used in moderation.
However, the oils in margerine will clog your arteries.
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The verb form of "clog" is "to clog," which means to block, obstruct, or congest something, typically a drain or pipe, with an accumulation of material.