Christians. Could you be wrong?

[FatAndFaithless]

As Mr. Wright’s experience illustrates, a patient’s expectations and beliefs can greatly affect the
course of an illness

Yes, you are. The conclusion is that expectations and beliefs can affect these things. We don't know how, we don't know why, we don't know the mechanism or the precise conditions of the mechanism. It's an unknown. It can't be applied to your fantasy miracles.