close up nervous woman biting her nails, stressful woman gnawing her nails

anxiety anxious behaviour biohazard bite biting body break care chewed claw clawed close concerned crack cuticle damaged dermatology destroy disgust doctor epidermis finger fingernail girl gnaw gnawing goss hand harmful hazard health healthy her hospital human hurt manicure medical medicine nail nails nervous nurse pain pedicure skin stress stressful treatment ugly weak weakness woman worry