frostbite     swelling     scar     burn        ulcer           tumour     blister     bruise
          birthmark        freckles      herpes           hives         bedsores         wart
      itching     dermatitis scratch        laceration       necrosis     eczema       graze
                               acne       ingrown toenails      rash



    bunion        pus        to fester     pimple/boil      dandruff     lice         cellulite
                                       leprosy       measles

                                chicken pox vs. small-pox     scald