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Scientists discover neurons must break their DNA to build the brain

Latest Science News -- ScienceDaily·June 21, 2026

Scientists have found that neurons in the developing brain must endure double-strand breaks in their DNA as they navigate through tight spaces to reach their final destinations. This process causes severe DNA damage, but the young brain has evolved a remarkable ability to repair the damage quickly. The brain's capacity for immediate repair allows it to mitigate the harmful effects of DNA breaks and continue developing normally. This discovery sheds new light on the complex process of brain development and the resilience of newborn neurons.

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