Ключевые слова: addict, addiction, anxiety, awful, bad, bfrb, bfrbds, biting, crack, cracked, damage, damaged, disorder, dry, dryness, excoriation, face, habit, hand, harmful, health, ill, illness, lips, man, medical, mental, nail, nerve, nervous, neurotic, nibbling, person, pick, picking, sick, skin, stress, tension, tissue, tongue, woman,