Medically the review by Raj Dasgupta, MD — composed by mar Sweeney, RN, BSN, CEN, ONN-CG-T — to update on in march 24, 2021

The popular of e-cigarette use (commonly recognized as vaping or “juuling”) has risen drastically in current years, as have the prices of a respiratory disease called popcorn lung. Is this a coincidence? The existing research says no.

The rates of popcorn lung in world who vape have grown in the past year, and also e-cigarettes may be the cause.

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Vaping is when a liquid, usually containing nicotine or marijuana, is heated inside an e-cigarette till a steam or vapor is created, climate a human being breathes this vapor in and out taking in the nicotine, marijuana, or other substances.


Popcorn lung, or bronchiolitis obliterans, is a disease that affect the smaller airways in her lungs called bronchioles. That can reason scarring and narrowing of these important airways, causing wheezing, shortness that breath, and also coughing.

When you take a breath in, wait travels right into your airway, also known as your trachea. The trachea climate splits right into two airways, referred to as bronchi, the each bring about one of your lungs.

The bronchi then split into smaller tubes dubbed bronchioles, which space the the smallest airways in your lungs. Popcorn lung occurs when bronchioles come to be scarred and also narrow, making that harder for your lungs to get the wait they need.

Popcorn lung is brought about by breathing in certain harmful chemistry or substances, some of which are uncovered in e-cigarettes.

The lung condition now known as popcorn lung was an initial discovered when workers in a popcorn factory occurred breathing troubles after inhaling diacetyl, a chemistry that’s provided to give foods a buttery flavor.

Diacetyl is also found in part liquids that space inhaled through an e-cigarette.

Other problems that have actually been connected to popcorn lung incorporate rheumatoid arthritis and graft-versus-host disease, which happens after a lung or bone marrow transplant.


If you’ve watched the news lately, opportunities are did you do it heard about the illnesses and controversies linked with vaping.

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Over the last year, e-cigarette, or vaping, product use–associated lung injury (EVALI), which incorporate bronchiolitis obliterans indigenous diacetyl exposure (aka: popcorn lung) have actually skyrocketed in world who vape.

According to the Centers for an illness Control and Prevention (CDC), as of February 18, 2020, there have actually been 2,807 confirmed instances of EVALI in the joined States and also 68 shown deaths.

While the exact reason for the EVALI cases hasn’t to be identified, CDC reports that laboratory data says vitamin E acetate, an additive in some THC-containing vaping products is “strongly linked” the EVALI outbreak.

A current study the 51 people with EVALI discovered that vitamin E acetate was uncovered in the lung liquid of 95 percent that them. None was uncovered in similar fluid indigenous participants who didn’t have EVALI.

In a 2019 report from the college of Rochester, 11 that 12 patient (92 percent) who were admitted come the hospital because that vaping-related condition had supplied an e-cigarette product that consisted of THC.

Popcorn lung is really rare lung disease, and it’s difficult to say with certainty how common it is among people who vape.

A study published in 2016 report that more than 90 percent of e-cigarettes tested contained either diacetyl or 2,3 pentanedione (another harmful chemical known to cause popcorn lung).

This method that if friend vape, it’s possible you’re inhaling substances the can cause popcorn lung.