I believe that spot is the result of a small-pox vaccination where they prick that area several times during the procedure. I'm 53 and still have a little white area about 3/8" in diameter, although I remember it being bigger as a child and more like a scar. There is no hair growing there either, but I have very little hair on my upper arms so it would not be very noticeable in any event.
But hey, maybe you're on to something here...Is the vaccine responsible for the lack of follicles or the scarring? My bet is on the trama to the skin in the area and not on the vaccine. But dammit Jim, I'm an engineer, not a doctor!
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