Running long distances affects your body many ways.  Aside from the expected effects on your interior, your exterior may suffer great distress, especially if you sweat a lot.  The repeated, relentless rub of a sports bra can chafe, and around mile 25, it feels like you’ve stuffed sand paper down your shirt.  If your thighs touch with every footfall, you’ll end up with nasty, raw stingers, right where you’d expect.  While guys might evade the bra and thigh issues, they have to deal with nipples that chafe – and sometimes bleed – after rubbing against a shirt with every stride.  There are simple solutions to these problems.  Miracle, anti-chafing products that roll on like deodorant are impressively effective, and I hear medical tape and…