I suggest you actually read the paper. * Only the patients on a ventilator showed an effect anywhere near "7 IQ points" --- which was not a metric measured by

I suggest you actually read the paper. * Only the patients on a ventilator showed an effect anywhere near "7 IQ points" --- which was not a metric measured by the paper, but if we're going by about 1/2SD-- (n=44, not 80000). * The P values are impressive, still, but that doesn't mean that the control population chosen to be "like' the ventilator patients is really equivalent. * We already know that being in critical care or on a vent is bad for cognitive performance afterwards. Indeed, we know that being sick in any way is bad for cognitive performance for some time afterwards.