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upstart writes:

British Medical Journal: Daily Use of CBD Oil May Be Linked to Lung Cancer Regression:

It may be worth exploring further the use of cannabidiol ('CBD') oil as a potential lung cancer treatment, suggest doctors in BMJ Case Reports after dealing with a daily user whose lung tumor shrank without the aid of conventional treatment. The body's own endocannabinoids are involved in various processes, including nerve function, emotion, energy metabolism, pain and inflammation, sleep and immune function.

[...] The report authors describe the case of a woman in her 80s, diagnosed with non-small cell lung cancer. She also had mild chronic obstructive pulmonary disease (COPD), osteoarthritis, and high blood pressure, for which she was taking various drugs. She was a smoker, getting through around a pack plus of cigarettes every week (68 packs/year).

Her tumor was 41 mm in size at diagnosis, with no evidence of local or further spread, so she was suitable for conventional treatment of surgery, chemotherapy, and radiotherapy. But the woman refused treatment, so was placed under 'watch and wait' monitoring, which included regular CT scans every 3-6 months.

These showed that the tumor was progressively shrinking, reducing in size from 41 mm in June 2018 to 10 mm by February 2021, equal to an overall 76% reduction in maximum diameter, averaging 2.4% a month, say the report authors.

When contacted in 2019 to discuss her progress, the woman revealed that she had been taking CBD oil as an alternative self-treatment for her lung cancer since August 2018, shortly after her original diagnosis.

[...] This is just one case report, with only one other similar case reported, caution the authors. And it's not clear which of the CBD oil ingredients might have been helpful.

"We are unable to confirm the full ingredients of the CBD oil that the patient was taking or to provide information on which of the ingredient(s) may be contributing to the observed tumor regression," they point out.

And they emphasize: "Although there appears to be a relationship between the intake of CBD oil and the observed tumor regression, we are unable to conclusively confirm that the tumor regression is due to the patient taking CBD oil."

Reference: "Lung cancer patient who had declined conventional cancer treatment: could the self-administration of 'CBD oil' be contributing to the observed tumour regression?" 14 October 2021, BMJ Case Reports.
DOI: https://doi.org/10.1136/bcr-2021-244195

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