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From what I can make up from your question is that you assume the blood in the brain is a bad thing in terms of temperature control. It is not. On the contrary, blood circulation is crucial in maintaining brain temperature. Under conditions where the brain is heating up, which seems the focus of your question, there are mechanisms in place to extract this ...


The excellent answers from Chris and One Face have already written about why the claim is wrong, so I'm going to add a hypothesis for how this sort of nonsense could even originate in the first place. The reason why lemons are acidic is because they contain a lot of citric acid, so in a solution part of this citric acid ionizes to citrate which increases ...

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