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The real reason for nail-biting and other ‘bad habits,’ according to psychologists

  • January 18, 2026
  • Health Care

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Heriot-Maitland noted that everyone has a choice in how they handle their own potentially harmful habits.

“We don’t want to fight these behaviors, but nor do we want to appease them and let them carry on controlling, dictating and sabotaging our lives,” he said.

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Gallagher shared the following practical tips for people who may notice these patterns.

No. 1: Shift from self‑judgment to self-compassion

Instead of asking yourself “Why am I like this?” try focusing on the function of the behavior, she advised. For example, does it serve to soothe, numb or distract from other fears or threats?

Understanding the protective function of bad behaviors can reduce shame and open the door to more effective change, without excusing harm.

Understanding the protective function of “bad” behaviors can reduce shame and open the door to more effective change, without excusing harm. (iStock)

No. 2: Notice patterns without fighting them (initially)

“Observing the behavior with curiosity helps weaken the automatic threat response,” Gallagher said.

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No. 3: Build a sense of safety

This can mean relying on grounding techniques, supportive relationships, predictable routines and self‑soothing practices.

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No. 4: Practice small, low‑stakes exposure to feared situations

“If the brain fears uncertainty, gently introducing controlled uncertainty can help retrain it,” the expert recommended.

Article source: https://www.foxnews.com/health/real-reason-nail-biting-other-bad-habits-according-psychologists

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