The effect of vaping on the human lung microbiota
Hunter A Welch1, Whitney L Spaeth1, Meiyi Zhang1
1Department of Biological and Agricultural Engineering, Texas A&M University, College Station, TX, USA.
Inhalation toxicology
|December 24, 2025
まとめ
Vaping exposes young adults to heavy metals and lung inflammation, altering lung microbiota. This study reveals interconnected health effects from e-cigarette use, emphasizing the need for further investigation into vaping
科学分野:
- * Pulmonary Medicine; * Environmental Health; * Microbiology
背景:
- * Vaping is perceived as safe, leading to increased youth use.; * E-cigarette or Vaping Product Use-Associated Lung Injury (EVALI) is a known risk.; * Broader impacts of vaping on lung health are not well understood.
研究 の 目的:
- * To evaluate the effects of vaping on college students' lung health.; * Assess fractional exhaled nitric oxide (FeNO) scores, metal concentrations, and lung microbiota.; * Analyze these parameters over a three-month period.
主な方法:
- * Collected FeNO scores, metal concentrations, and microbiota from college students.; * Utilized mass spectrometry to analyze metal content in vape coils (ceramic vs. mesh).; * Correlated vaping habits and coil types with biological samples.
主要な成果:
- * Ceramic coils had higher levels of Mg, Al, Cr, Mn, Fe, Ni, As, Sr, Ag, Ti; mesh coils had higher Cu, Cd, Pb, Sn.; * Detected corresponding metals in exhaled breath, influenced by vaping status and coil type.; * Vaping duration correlated with increased FeNO (airway inflammation) and altered lung microbiota, with specific metals associated with microbial patterns.
結論:
- * Vaping causes lung inflammation, heavy metal exposure from coils, and changes in lung microbiota.; * These effects are interconnected, highlighting complex health impacts.; * Further research is needed to elucidate the precise mechanisms involved.
