Story perspectives

Study Links Prenatal Cannabis Use to Offspring Brain Issues

12/20/2025

Summary

Story summary

A study in Molecular Psychiatry reports that cannabis exposure during pregnancy may negatively affect brain development in offspring.
In a mouse model, researchers administered THC to pregnant mice, finding high THC exposure reduces brain volume and increases anxiety-like behaviors, especially in females.
The researchers note a gap in understanding long-term effects due to limited comprehensive data.
Lani Cupo, the study author, emphasizes the complexity of prenatal cannabis choices and urges informed, stigma-free decisions.

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Story summary

A study in Molecular Psychiatry reports that cannabis exposure during pregnancy may negatively affect brain development in offspring.
In a mouse model, researchers administered THC to pregnant mice, finding high THC exposure reduces brain volume and increases anxiety-like behaviors, especially in females.
The researchers note a gap in understanding long-term effects due to limited comprehensive data.
Lani Cupo, the study author, emphasizes the complexity of prenatal cannabis choices and urges informed, stigma-free decisions.