Gamma irradiation, an industry-standard sterilization method for medicinal and recreational cannabis, does not fully eliminate toxic fungi or their chemical residues, a McGill University study has found. Current testing practices may also miss contamination, raising concerns about health risks for vulnerable users, particularly those with weakened immune systems.
Published on: 15 Jan 2026
Berry-flavoured vapes can weaken the lungs’ natural defences, making it harder for the body to fight off infections, new research suggests.
The study compared effects of flavoured e-cigarettes to those of unflavoured ones.
While previous research has shown that all forms of vaping can be harmful, the scholars said this study adds to a mounting body of evidence demonstrating how added flavourings to vaping solutions can exacerbate the dangers.
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Published on: 4 Nov 2024
Teen vaping has been on the rise, with reports of rapidly increasing use across North America. While some consider vapes to be a useful tool for smoking cessation, new research from the Research Institute of the McGill University Health Centre (RI-MUHC) supports a growing public health concern about potential adverse health consequences.
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Published on: 2 Feb 2023
