Do you know what the “single biggest health issue” was on Day 2 of Lollapalooza?   Bursting bloody eardrums?  Crushing bones in the mosh pit? Dehydration? Drug use, perhaps? Nope.   It was none of these. I have to admit I was surprised. But according to Chicago Tribune’s Greg Kot video review,  it was…foot blisters.   Yes, my friends.  Nasty, uncomfortable and [...]