link/association vs cause

来源: jaydad 2009-10-06 20:31:45 [] [博客] [旧帖] [给我悄悄话] 本文已被阅读: 0 次 (753 bytes)
it maybe worthy to point out that a link like this could mean either
CAUSE
or
EFFECT
of cancer.

Most people including media reporters will just take such link as discovery of the cause of cancer.

Classic example: Otto Warburg discovered 80 years ago that cancers are almost always associated with acidic cellular environment. As biochemist, he was able to pinpoint the cause of acidity - cancer's addiction to anaerobic respiration even in the presence of abundant oxygen results in the accumulation of lactic acid hence lowering of pH.

Ok, now the quiz, cellular acidity and cancer, what causes what?

Obviously there are more than just a few people on this forum who believe the opposite of the truth.
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