>Do people who undergo spinal, brain, retinal surgery have a higher incidence of Alzheimer when compared with the rest of the population? In that case scarring

>Do people who undergo spinal, brain, retinal surgery have a higher incidence of Alzheimer when compared with the rest of the population? In that case scarring/inflammation might trigger the Alzheimer's though. The interesting part in this article is that the growth hormone was not injected into brain tissue I assume.