Scientists Just Found That Brain Cells Routinely Shatter Their Own DNA While Building the Brain — And Repair It Within 24 Hours

Scientists Just Found That Brain Cells Routinely Shatter Their Own DNA While Building the Brain — And Repair It Within 24 Hours

A June 21, 2026 Nature study by Kyoto University found that migrating brain neurons routinely sustain double-strand DNA breaks during development — and repair them within 24 hours.