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NergalMP t1_iu536tk wrote

Reply to comment by ELI-PGY5 in Does the cerebral spinal fluid of people with Alzheimer's have a notably different pH from 'normal' people's? by wrhollin

It’s clinically useful because pH outside the normal range is indicative of a significant problem. Mammalian physiology operates in a pretty narrow pH range with many processes maintaining it.

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ELI-PGY5 t1_iu56p3o wrote

  1. pH changes in bodily fluids are often clinically useful
  2. I don't really care about pH in CSF.
  3. I doubt it's a good test for Alzheimers, as we would presumably all be doing it if a $20 investigation could detect the condition. The linked article isn't very relevant to everyday clinical medicine.
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NergalMP t1_iu5l91f wrote

Sorry, I meant it can be clinically useful outside the specific CSF/Alzheimer’s question. I’m sure it’s irrelevant to that.

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