Small study of young people with no history of smoking or vaping showed single vaping session led to cellular oxidative stress responses (cause of inflammatory disease, heart disease, etc). More investigation needed to determine long-term use outcomes.

Medical Mythbusting Commentary for August 12, 2021

Source:
‘Concerning’ study highlights dangers of vaping

Reference:
Association of 1 Vaping Session With Cellular Oxidative Stress in Otherwise Healthy Young People With No History of Smoking or Vaping

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