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cough every time i breathe in weed

Why Does Weed Make You Cough?

If you’ve experienced a coughing fit after smoking cannabis, you’re not alone. It’s a common, natural response to smoke inhalation.

Sometimes, though, coughing can occur even when you’re not smoking. This is more likely to happen if you regularly smoke cannabis.

To learn why smoking cannabis can make you cough, read on. We’ll also explore how smoking cannabis might affect lung health, along with the risk of lung cancer.

Your throat and lungs are lined with sensory nerves. They work to detect irritating substances, like smoke, in your airways.

If you inhale an irritant, the nerves send signals throughout your respiratory tract. This produces a cough reflex, which helps you get rid of the irritating substance. The goal is to protect your respiratory tract, and ultimately, your lungs.

This is what happens when you smoke cannabis. The smoke irritates your airways, causing your nerves to trigger a cough reflex. It’s a normal reaction to inhaling any kind of smoke.

Research suggests that coughing related to cannabis smoking is usually due to short-term effects, rather than long-term damage. Let’s take a look at the research.

Bronchitis

According to a 2013 review, smoking cannabis causes tiny injuries to the large airways, or bronchi. Your bronchi are the passages that connect your trachea (windpipe) to your lungs.

This increases your risk for chronic bronchitis, or inflamed bronchi, which causes frequent coughing. Chronic bronchitis typically goes away when you stop regularly smoking.

Defense against infection

Habitual smoking also decreases cilia in the airways. Cilia are small hairs that filter out particles and germs. And though habitual smoking reduces your lungs’ defense against infection, it isn’t associated with long-term damage, according to the 2013 review.

Long-term lung function

A 2012 study specifically examined the link between smoking cannabis and long-term lung function over a 20-year period. The researchers found that occasional smoking wasn’t linked to adverse lung function.

Though they speculated that heavy smoking can cause lasting damage, they weren’t able to make a solid conclusion. The study lacked enough participants who heavily smoked cannabis.

It’s worth noting that smoking cannabis is associated with lasting lung damage if you also smoke tobacco. In a 2016 study , people who smoked cannabis and tobacco were more likely to have impaired lung function than those who only smoked tobacco.

Despite these findings, scientists are still learning how smoking cannabis affects lung health over time. More long-term studies are necessary.

According to a 2020 study , cannabis smoke contains 110 compounds with potentially toxic properties. Sixty-nine of these compounds are also found in tobacco smoke. As a result, many people wonder if smoking cannabis can cause lung cancer.

The research is mixed. A 2015 meta-analysis found a weak link between long-term cannabis smoking and lung cancer risk. An older 2006 study also found no association between long-term smoking and lung cancer.

However, a 2013 study , which spanned over 40 years, found that frequently smoking cannabis doubles the risk of lung cancer. The association persisted after the researchers adjusted their data for tobacco use, alcohol consumption, and respiratory disease.

Similarly, an older 2008 study found a connection between cannabis smoking and lung cancer after adjusting for cigarette smoking.

The Centers for Disease Control and Prevention (CDC) notes that it’s difficult to confirm a solid link. That’s because cannabis use often occurs alongside other behaviors that increase lung cancer risk, including cigarette smoking.

Therefore, more studies are needed involving people who smoke cannabis and not cigarettes.

It’s also possible for lung cancer to cause coughing. In this case, the coughing will be persistent or get worse over time. Other common symptoms of lung cancer include:

  • coughing blood
  • chest pain
  • hoarseness
  • poor appetite
  • unexplained weight loss
  • fatigue
  • new wheezing
  • shortness of breath

Keep in mind that coughing has many potential causes. If you’re concerned about your coughing, visit your doctor.

As mentioned earlier, regularly smoking cannabis can lead to chronic bronchitis. Bronchitis is considered chronic if you have coughing and mucus for at least 3 months for 2 consecutive years.

Since chronic bronchitis causes persistent coughing, you’ll likely cough even when you’re not smoking. The cough might come and go, and it might get worse on some days. You may also have wheezing.

If you have chronic bronchitis due to smoking cannabis, quitting will decrease your symptoms.

Smoke can produce a cough reflex, which is your body’s way of getting rid of irritants. Researchers are still studying the long-term effects of smoking cannabis. ]]>