close up shot of a white caucasian female hand in a light grip position showing off bitten fingers from dermatophagia disorder

2020 addict adult anxiety anxious background biting bitten blood care caucasian chewing close closeup compulsive crack dermatology dermatophagia disease disorder disorders dryness female finger fingernails fingers flesh gnawing grip hand harmful health human isolated light nails nervous neurotic nibbling obsession obsessive ocd person pick picking position prevention problems pure regret risks scratching shot showing sick skin skinpicking stress stressed tissue white woman