Author: Jon Williamson

Back in 2001, Leonard Leibovici presented an RCT which found a correlation between remote, retroactive intercessionary prayer and length of stay in hospital. The patients in question had bloodstream infections in Israel during the period 1990–6; the intervention involved saying ‘a short prayer for the well being and full recovery of the group as a whole’ in the year 2000 in the USA, long after recovery or otherwise actually took place. The study also found a correlation between the intervention and duration of fever. The author concludes:

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EBM+ is interested in using evidence of mechanisms in conjunction with evidence of correlation to help evaluate causal claims in medicine. One objection to this idea is that it is hard to do this in practice.

It’s hard but it’s not impossible …

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