Metal mixtures in cord blood linked with reduced birth size
Mixtures of toxic metals in umbilical cord blood were associated with reduced birth size, according to a new study led by Harvard Chan researchers.
Glucan, a microbial toxin, found in Juul’s nicotine vaping liquids
E-cigarette products made by Juul Labs were contaminated with a microbial toxin that can cause long-term lung damage, according to an analysis conducted by researchers from Harvard Chan School.
![](https://www.hsph.harvard.edu/news/wp-content/uploads/sites/21/2020/01/Woman-vaping_1200x800.jpg)
Microbial contaminants found in popular e-cigarettes
Popular electronic cigarette (e-cigarette) products sold in the U.S. were contaminated with bacterial and fungal toxins.
![](https://www.hsph.harvard.edu/news/wp-content/uploads/sites/21/2019/04/e-cigs_resized.jpg)