Do carts or dab pens hurt the lungs at all?
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Based on the search results, the answer is yes, using carts or dab pens can hurt your lungs. While research is ongoing, evidence from major health organizations and recent studies points to several significant risks. The aerosol from these devices is not harmless water vapor and contains substances that can cause immediate and potentially long-term damage .
The table below summarizes the key risks associated with vaping cannabis products.
| Risk Category | Key Findings | Specifics / Examples |
|---|---|---|
| Acute Lung Injury (EVALI) | A direct link exists between THC vaping and a severe lung condition called EVALI (E-cigarette or Vaping Use-Associated Lung Injury) . This outbreak was linked to vitamin E acetate, an additive in some THC products . | In 2019-2020, thousands were hospitalized, and some died from EVALI . Case reports show previously healthy individuals developing respiratory distress requiring intensive care . |
| Harmful Chemical Exposure | The aerosol contains numerous harmful substances beyond just THC or CBD . | Carcinogens: Chemicals like formaldehyde and acrolein . Heavy Metals: Includes lead, nickel, and tin . Ultrafine Particles: Can be inhaled deep into the lungs, causing irritation . |
| Long-Term Effects (Unknown) | The long-term consequences of vaping cannabis are still not fully understood, which is a major concern for health experts . | There is limited evidence about risks for developing chronic diseases like COPD or lung cancer, but it is a major area of study . Vaping is already linked to an increased risk of respiratory symptoms like chronic cough and phlegm . |
⚖️ A Note on Recent Research
It's important to consider all evidence. A very recent study from UC Davis in 2025 found that the inflammatory markers in the breath of marijuana smokers were more similar to non-users than to tobacco smokers, which surprised the researchers . This highlights the complexity of this issue. However, this study looked at a specific type of inflammatory marker and does not negate the well-documented cases of acute lung injury from vaping or the presence of other harmful chemicals in the aerosol . The study's authors themselves note that more comprehensive research is needed .
In short, while vaping might avoid some harms of combustion from smoking, it introduces its own set of distinct risks, including the potential for severe acute lung injury and exposure to toxic metals and carcinogens .
