How Does CBD Affect Your Respiratory System?


It is common knowledge that cannabis smoking is harmful for your lungs. But what about CBD oil? When you’re not smoking the substance, you’re reducing the risk substantially. And when you’re using only cannabidiol, then you’re certainly not harming your health, right?

In fact, some experts are of the view that CBD may be of help in the treatment of COVID-19 as well. The disease caused by SARS-CoV-2 is essentially one that severely hits the respiratory system. How do some scientists think cannabidiol can help relieve the novel coronavirus? Because it has antiviral, antibacterial, and anti-inflammatory properties.

But as per research, what effects does CBD have on your respiratory system? Let’s take a look at what we know so far:

1 – CBD May Help With COPD

COPD or chronic obstructive pulmonary disease is a cluster of diseases that occur together. These include damage of lung tissue, inflammation of the airways, and lung constriction. Some research shows that CBD can improve one’s condition after lung injury.

Here are some ways CBD can work to improve your lung health:

  • It has anti-inflammatory effects that reduce inflammation of the lungs
  • The terpenes in CBD also have an anti-inflammatory effect
  • CBD can improve the flow of air in and out of the lungs
  • It can smoothen muscle contractions in lung tissue

Other than these direct benefits, it can also:

  • Boost immune health
  • Improve sleep
  • Provide pain relief
  • Reduce anxiety
  • And clear up extra mucous

2 – CBD Can Help With Asthma

Asthma causes serious breathing problems which also happens to be a symptom of COVID-19. CBD can help with asthma as it has a bronchodilatory effect. This means it can dilate air passages in the respiratory system. It is important to note that while CBD dilates passageways of air, THC constricts them. Other than this, CBD also helps with asthma in these areas:

  • It has an antispasmodic effect. This means it relieves muscle spasms
  • It is also an anti-inflammatory

CBD reacts with receptors in the lungs and hence, has a beneficial effect.

These findings hint that CBD has a positive effect on the respiratory system. It may help with breathlessness.


CBD is one cannabinoid which can help with COPD and asthma. This proves that it has a positive effect on the lungs. It can heal lung injury, improve air flow, dilate air passageways, and reduce lung inflammation. This is how CBD oil can be effective at improving lung health.

However, these are the effects of CBD, not cannabis. Cannabis smoking is severely harmful for the lungs. Furthermore, THC is therapeutic in many ways, but it can constrict air passageways in the lungs. As for whether or not CBD can help with breathlessness in COVID-19, there is no research in this area as of yet.


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