Nicotine-free vape liquids caused skull changes in mice fetuses. Effects appeared with "safer" chemical ratios used in modern ...

They found up to two and half times more DNA damage in the mouths of both vapers and smokers compared to non-users. And it didn't take long for the cellular changes to show up in e-cig users.

In utero exposure to two liquid ingredients in e-cigarettes—minus the nicotine that drives addiction—can alter skull shape during fetal development, a new study in mice has found.

Fungal species, one of which caused chronic bronchitis in mice, were collected from the mouthpieces of e-cigarettes used by ...

Exposure to vaping while pregnant can change your baby’s face and skull shape — even without nicotine By Reda Wigle Published July 17, 2025, 4:36 p.m. ET ...