Critical Reasoning (CR) | Re: Certain messenger molecules fight damage to the lungs from

Premise : The plan is to develop a medication that would prevent asthma attacks by blocking receipt of any messages sent by the messengermolecules.

Pre-thinking:
This is absurd because you don't want all the messages to the messenger molecules to be blocked. You only want the harmless messages to be blocked. For example, if there is carbon monoxide in the vicinity, then I want the messenger molecules to get activated and protect my lungs so that my life can be saved.

So the flaw in the plan is
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