Story perspectives

Nail Biting: A Coping Mechanism, Not Just a Habit

1/13/2026

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Summary

Story summary

Dr. Charlie Heriot-Maitland, a clinical psychologist, says nail biting and skin picking may be survival mechanisms, not mere reflexes.
They may stem from coping with emotions, boredom, or learned habits from parents, and offer immediate relief.
The brain prioritizes known threats over unknown ones, which can drive repetitive actions like nail biting.
Dr. Heriot-Maitland adds that while tips exist to reduce these habits, understanding underlying functions and fears is essential.

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Story summary

Dr. Charlie Heriot-Maitland, a clinical psychologist, says nail biting and skin picking may be survival mechanisms, not mere reflexes.
They may stem from coping with emotions, boredom, or learned habits from parents, and offer immediate relief.
The brain prioritizes known threats over unknown ones, which can drive repetitive actions like nail biting.
Dr. Heriot-Maitland adds that while tips exist to reduce these habits, understanding underlying functions and fears is essential.