damaged bitten thumbnail with torn cuticles and blisters. condition due to obsessive, compulsory skin picking and nail biting.

addict anxiety biting body care chew compulsion condition crack cuticle damage deformed depression dermatillomania dermatitis dermatology disease disorder dry dryness excoriation family female habit hand health illness injury irritation medical medicine nail nervous peeling person pick picking psychiatry raw reaction sick skin stress terrible thumb ugly white wound