In this week’s Medical Discovery News by UTMB’s David Niesel and Norbert Herzog: As if designer drugs and bath salts were not enough, now drug users have another substance to abuse. It’s called Krokodil, because it causes skin to turn green, bumpy and scaly at the injection site, like a crocodile’s skin. And what it does inside the body is just as bad. The column also appears in the Abilene Reporter-News.