If it were true, and that dramatic, it would be easy to replicate by any laboratory. And no, not just by a 'big pharma' lab trying to stifle a cure.

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Fact Check Medical

Dandelion Root Kills 98% of Cancer Cells in 48 Hours?

Dandelion root is being studied for possible anti-cancer properties, but there's absolutely no proof it kills "98 percent of cancer cells in 48 hours."

CLAIM

Dandelion root can kill 98 percent of cancer cells in 48 hours.

RATING

Mostly False

WHAT'S TRUE

Anecdotal evidence suggests dandelion root may contain "anti-cancer properties" and has prompted some study into the subject.

WHAT'S FALSE

No firm scientific or medical evidence supports dandelion root as an effective treatment for cancer.

https://www.snopes.com/fact-check/dandelion-kills-cancer/

Interest in dandelion root as a cancer-fighting substance was not new in September 2016, as the Memorial Sloan-Kettering Cancer Center has (among others) been looking at the plant since at least 2010. Sloan-Kettering’s web site currently indicates that as yet no data support the claim of dandelion root as an effective cancer preventive or treatment:


Dandelion has not been shown to treat or prevent cancer.

Dandelion is used in traditional medicine to treat many ailments. Laboratory studies have shown that dandelion can kill certain bacteria and other microbes. It was also found to have anticancer properties in colon cancer, pancreatic cancer, leukemia, and melanoma cells, but studies have not been conducted in humans. Dandelion has estrogenic activity. It may increase the growth of hormone-sensitive cancer cells. Dandelion can also promote urination.

Laboratory studies have shown dandelion to have anticancer properties, but clinical studies have not shown this effect in humans.


As for the “cured” patient and the promise of dandelion root trials referenced in the February 2012 CBC report, a December 2015 update indicated that study was set to commence shortly (and as such, had not yet yielded results):


Dr. Caroline Hamm, a medical oncologist at the Windsor Cancer Centre in Windsor, Ont. who is leading the study [says] she’s seen improvements in some patients who drink dandelion root tea purchased at health food stores,

“Most of the responses that I have seen are very short. but there’s a signal there that I think is worthwhile of further investigation,” she said.

Hamm expects the trials to start within the next month.

We were not able to locate any published research indicating dandelion root affirmatively demonstrated an anti-cancer effect in humans, much less any information from scientists suggesting it kills “98 percent of cancer cells within 48 hours.” As with most bombastic cancer cure claims, the danger is not so much that people will attempt to use inexpensive and fairly harmless dandelion as a supplemental treatment while adhering to accepted protocols, but that patients averse to standard cancer treatments might opt for unproven “cures” in lieu of science-based therapies (allowing the disease to progress dangerously in the interim).

It’s also possible that the patient who supposedly saw his leukemia go into remission due to his drinking of dandelion tea simply experienced a phenomenon commonly known as spontaneous remission (or regression), a rare but long-documented outcome wherein cancer resolves on its own. Hard data about its likelihood of occurrence are scant because cancer is infrequently left untreated.

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