Secondhand Vape Clouds May Form Harmful Radicals
Secondhand vape aerosols can generate harmful free radicals, particularly from ultrafine particles, potentially damaging lung tissue.Summary
A study by the University of California, Riverside, reveals that aged e-cigarette aerosols contain a combination of metal nanoparticles and reactive peroxides, posing respiratory health risks to bystanders. Unlike traditional cigarettes, e-cigarettes produce vapors that can expose non-users to harmful substances. Researchers found that these aerosols, when exposed to indoor ozone, create peroxides and contain metals like iron, aluminum, zinc, lead, arsenic, and tin. Experiments simulating lung conditions showed that ultrafine particles within the aerosols produced 100 times more radicals than larger particles, indicating a higher potential for lung tissue damage and reduced respiratory function. While conducted under controlled conditions, the study suggests repeated exposure to secondhand vape plumes could negatively impact lung health, especially for those with pre-existing conditions like asthma or COPD.
(Source：Mirage News)
