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"Patient feels nausea when seeing the color yellow; I have proscribed a placebo to gauge the effect." Not something a doc would want the patient to know.

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Doctors shouldn't be performing experiments.

Kid has asthma? Experiment with an inhaler. Switch to a different one if it's not effective.

Recurrent skin infection? Experiment with antibiotics to find one it's not resistant to.

Patient on a ventilator? Getting them off will require experimenting with vent settings and periods of having them off the vent.

Trying a medication that's proven effective to treat symptoms in some cases isn't the same as giving a placebo. One is regular medical practice and the other is medical research. People don't go to the doctor to participate in research, they go to get treated.

Placebos have been proven effective to treat symptoms in some cases.

Imagine how good _thinking_ you're taking the right medication would be and _actually_ taking the right medication would be.

Respectively they should. This is how they narrow down and diagnose something the right way. Something that your computer algorthims can not do,

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