The doctor will use these results to create a third number that tells you how your lungs are functioning. If the number is below 70%, you have COPD.
There haven’t been many studies investigating the impact of vaporization on lung health. The vast majority of these studies have investigated the safety of vaped versus smoked cannabis when it comes to lung cancer and heart disease, but none of them looked specifically at vaping and the risk of COPD. Given this, it’s better to err on the side of caution and abstain from vaporizing CBD liquids when you have this condition.
How Could CBD Benefit People With COPD?
CBD has been studied for its anti-inflammatory effects and its efficacy as a bronchodilator. Both of these effects indicate that CBD may alleviate some of the symptoms of COPD.
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If you experience any of these symptoms, you should follow-up with a doctor:
Here are some of the best treatment options for COPD  patients:
The goal of therapy for people with COPD is to stop the progression of the disease and to improve lung function. A combination of oxygen therapy and pulmonary rehabilitation can go a long way in improving the symptoms of various lung diseases like COPD, but other symptoms can be a little more stubborn.
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Does CBD Help COPD?
The best CBD companies can tell you exactly where their hemp comes from and how their oils are extracted. Royal CBD uses organic, non-GMO hemp grown using organic, sustainable farming methods. Their CBD is completely free from heavy metals, pesticides, and harmful additives. Choose from four potent concentrations ranging from 500mg to 2,500mg or try their gummies or capsules. Everything is lab tested for potency and purity, and you can return the product within 30 days if you’re dissatisfied.
There is no scientific evidence supporting the use of CBD for COPD (chronic obstructive pulmonary disease) and no standard dosage. Talk to your doctor and refer to the dosing instructions on your CBD product for recommendations.
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In a 2015 study conducted in mice  , cannabidiol was administered to mice subjected to LPS-induced acute lung injury. Just 24 hours after CBD administration, the results showed decreased total lung resistance and elastance along with reduced production of pro-inflammatory cytokines. The researchers concluded that CBD has a potent anti-inflammatory effect and could be a potential therapeutic treatment to improve lung function.
Archives of Internal Medicine: “Effects of Marijuana Smoking on Pulmonary Function and Respiratory Complications: A Systematic Review.”
“I have no objections to the use of cannabinoids,” says Martin, who doesn’t think they’ll help, but probably won’t hurt — if you use the right products. “As a lung physician, I cannot recommend that you smoke” cannabis to get your CBD, he says. That includes inhaling cannabis or CBD oil with a vaping device, which he worries could be harmful to the lungs.
Andrew Martin, MD, chair of pulmonary medicine, Deborah Heart and Lung Center, Browns Mills, NJ.
If You Decide to Try CBD
“If taking CBD makes you feel better and decreases your anxiety,” he says, “use the edible version.”
The belief that CBD might ease COPD symptoms may have sprung from research done decades ago, which showed that smoking pot actually relaxed the airways and improved breathing in healthy people and people with asthma. But that benefit was short-lived, and routine pot smoking is known to promote breathing problems, like coughing and wheezing.
CDC: “What is COPD?”
You can also find CBD in hemp, a related cannabis plant that has very little THC. While you can buy marijuana legally in many states, the federal government still considers it an illicit drug. But CBD derived from hemp can be sold legally in most of the United States, with some exceptions. (Hemp seed oil is also available. It contains some CBD but little THC.)