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Study: Doxycycline May Cut Schizophrenia Risk in Teens

11/6/2025

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Summary

Story summary

A study from the University of Edinburgh suggests doxycycline may lower the risk of schizophrenia among adolescents receiving mental health care.
Data from over 56,000 young patients showed those treated with doxycycline had a 30-35% lower risk of developing schizophrenia than peers on other antibiotics.
The observational nature means the study cannot establish causality, but researchers note potential for repurposing doxycycline as a preventive measure for high-risk youth.

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Story summary

A study from the University of Edinburgh suggests doxycycline may lower the risk of schizophrenia among adolescents receiving mental health care.
Data from over 56,000 young patients showed those treated with doxycycline had a 30-35% lower risk of developing schizophrenia than peers on other antibiotics.
The observational nature means the study cannot establish causality, but researchers note potential for repurposing doxycycline as a preventive measure for high-risk youth.