Vaping damages young people’s lungs as much as smoking, study suggests

"Both vapers and smokers showed signs that their blood vessels were not working as well as the non-smoking and non-vaping group, according to the blood tests and ultrasound scans. 

"The smokers and the vapers were more out of breath, experienced intense leg fatigue and had higher levels of lactate in their blood, a sign of muscle fatigue, even before they reached their maximum level of exercise."… 

Medical researchers have found evidence that vaping increases the risk of cancer, because it changes their DNA, and also that it may damage the brain and vital organs because e-cigarette aerosols and liquids can contain traces of toxic metals such as lead and uranium…

https://www.theguardian.com/society/article/2024/sep/08/vaping-damages-young-peoples-lungs-as-much-as-smoking-study-suggests