TAAANK

       "type" : "mutation",
       "id" : "MUT_TOUGH3",
       "name" : "TAAANK",
       "points" : 7,
       "description" : "You can simply take the punishment from lesser beings and keep going.  You get a 40% bonus to all hit points.  Stacks with Tough, etc.",
       "valid" : false,
       "prereqs" : ["MUT_TOUGH2"],
       "threshreq" : ["THRESH_URSINE", "THRESH_CATTLE"],
       "cancels" : ["FLIMSY", "FLIMSY2", "FLIMSY3", "GLASSJAW"],
       "category" : ["MUTCAT_URSINE", "MUTCAT_CATTLE"]