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|publisher=[[Cancer Research UK]]
|publisher=[[Cancer Research UK]]
|accessdate=August 2013}}</ref>
|accessdate=August 2013}}</ref>

Despite these claims, there is evidence that it does help, as in the case of Billy Best. Therefore, the statement that there is no scientific evidence is completely false, since at least one case exists to refute those claims. <ref>50 Critical Cancer Answers: Your Personal Battle Plan for Beating Cancer By Contreras Francisco, Kennedy Daniel [http://books.google.com/books?id=1V9pVauZxmkC&pg=PT168&dq=Billy+BEst+Essiac&hl=en&sa=X&ei=KgtrVKbbDIHKmwWewoKQDQ&ved=0CCoQ6AEwAA#v=onepage&q=Billy%20BEst%20Essiac&f=false ''Chapter'' 28 ''Alternative Cancer Treatments'' </ref> <ref>The Boy and His Death: A True Story By Marga Beukeboom [http://books.google.com/books?id=0Jb_-oxOAwsC&pg=PA69&dq=Billy+BEst+Essiac&hl=en&sa=X&ei=KgtrVKbbDIHKmwWewoKQDQ&ved=0CDEQ6AEwAQ#v=onepage&q=Billy%20BEst%20Essiac&f=falseBeukeboom Page 69]</ref>

Nearly 20 years later Billy Best is still cancer free. <ref>The Raw Food World [http://news.therawfoodworld.com/16-year-old-boy-cured-cancer-using-essiac-tea-now-alive-well-natural-health-advocate/ A 16-year old boy was cured from cancer by using Essiac tea… by Heather Suhr, Staff Reporter/Editor on 31 Aug, 2014]</ref> <ref>Cancer: Conquering a Deadly Disease By Alvin Silverstein, Virginia B. Silverstein, Laura Silverstein Nunn [http://books.google.com/books?id=aVTMqaclr_kC&pg=PA80&dq=Billy+BEstEssiac&hl=en&sa=X&ei=KgtrVKbbDIHKmwWewoKQDQ&ved=0CDwQ6AEwAw#v=onepage&q=Billy%20BEst%20Essiac&f=false Page 80]</ref>


==See also==
==See also==

Revision as of 07:56, 22 November 2014

Essiac is a herbal tea promoted as an alternative treatment for cancer and other illnesses.[1]

There is no evidence it is beneficial to health, and it may be harmful.[2]

Background

As with many alternative remedies, the exact composition of essiac is unclear, but it reportedly contains burdock (Arctium lappa), sheep sorrel (Rumex acetosella), slippery elm bark (Ulmus rubra), and indian rhubarb (Rheum officinale) or turkey rhubarb (Rheum palmatum).[3] Some formulations may also contain watercress, blessed thistle, red clover, and kelp.[4] From the 1920s through the 1970s, essiac was promoted as a cancer treatment by Rene Caisse, a Canadian nurse, who claimed that it had been given to her by an Ontario Ojibwa patient she treated.[2][4] However, this has never been substantiated. There is no evidence that Essiac is a Native American or First Nations remedy, and there are multiple factors that indicate the formula is not from any Native American culture. Several of the plants in the mixture (burdock, sheep sorrel, indian rhubarb and turkey rhubarb) are not indigenous to the Americas, and were not growing in the wilds of Northern Ontario during the time Caisse began prescribing this tea.[3] The name "Essiac" is Caisse's surname spelled backwards. Today, Essiac is often sold with apparatus (such as bottles as infusers) for making the tea, and is sometimes promoted with untrue claims that scientific studies have shown it to be effective.[5]

In 1977, Caisse sold the essiac formula and trademark rights to Respirin Corporation (a Canadian company and predecessor in title to Essiac Products Inc.), which attempted to commercialize the product. However, the company was unable to show any efficacy of essiac against cancer. Repeated laboratory tests showed that essiac failed to slow tumor growth and, in large doses, killed test animals. In a number of studies, essiac actually increased the rate of cancer growth.[6] As a result both the U.S. and Canadian governments refused to approve essiac as a medical treatment. Essiac was instead marketed by Essiac Products Inc. and others as a dietary supplement, subject to much looser regulation and not required to show any proof of effectiveness.[4]

Effectiveness

Essiac's purported effect on cancer has been reviewed by several major medical and scientific bodies, including the U.S. Food and Drug Administration,[7] the National Cancer Institute,[4] and the American Cancer Society.[2] The American Cancer Society state that "Reviews of medical records of people who have been treated with Essiac do not support claims that this product helps people with cancer live longer or that it relieves their symptoms." The NCI states "Essiac and Flor Essence have not reported clear evidence of an anticancer effect",[4] and The U.S. FDA described essiac as a "Fake Cancer 'Cure' Consumers Should Avoid".[7] Researchers at Memorial Sloan-Kettering Cancer Center have written that Essiac continues to be a popular cancer therapy despite unsubstantiated claims of its effectiveness.[8]

Cancer Research UK also notes that there is "no scientific evidence that Essiac can help to treat cancer or control its symptoms" and cautions that "Essiac may interact with some types of cancer treatment so it is very important to tell your doctor if you are thinking of taking Essiac."[5]

Despite these claims, there is evidence that it does help, as in the case of Billy Best. Therefore, the statement that there is no scientific evidence is completely false, since at least one case exists to refute those claims. [9] [10]

Nearly 20 years later Billy Best is still cancer free. [11] [12]

See also

References

  1. ^ Barrett, Stephen (July 27, 2010). "Questionable Cancer Therapies: Essiac". Quackwatch. Retrieved July 5, 2011.
  2. ^ a b c American Cancer Society, Essiac Tea Cite error: The named reference "ACS" was defined multiple times with different content (see the help page).
  3. ^ a b "What kind of rhubarb root did Rene Caisse use in Essiac tea? Turkey Rhubarb v. Indian Rhubarb" - HealthFreedom.info. Retrieved 29 August 2014.
  4. ^ a b c d e "Patient Information: Essiac/Flor Essence". National Cancer Institute. July 21, 2010. Retrieved July 5, 2011.
  5. ^ a b "Essiac". Cancer Research UK. Retrieved August 2013. {{cite web}}: Check date values in: |accessdate= (help)
  6. ^ "Questions and Answers About Essiac and Flor Essence". National Cancer Institute. February 19, 2013. Retrieved May 6, 2013.
  7. ^ a b "187 Fake Cancer "Cures" Consumers Should Avoid". Guidance, Compliance & Regulatory Information. USFDA. Retrieved 24 May 2011.
  8. ^ "Essiac". Memorial Sloan-Kettering Cancer Center. March 10, 2011. Retrieved December 15, 2012.
  9. ^ 50 Critical Cancer Answers: Your Personal Battle Plan for Beating Cancer By Contreras Francisco, Kennedy Daniel [http://books.google.com/books?id=1V9pVauZxmkC&pg=PT168&dq=Billy+BEst+Essiac&hl=en&sa=X&ei=KgtrVKbbDIHKmwWewoKQDQ&ved=0CCoQ6AEwAA#v=onepage&q=Billy%20BEst%20Essiac&f=false Chapter 28 Alternative Cancer Treatments
  10. ^ The Boy and His Death: A True Story By Marga Beukeboom Page 69
  11. ^ The Raw Food World A 16-year old boy was cured from cancer by using Essiac tea… by Heather Suhr, Staff Reporter/Editor on 31 Aug, 2014
  12. ^ Cancer: Conquering a Deadly Disease By Alvin Silverstein, Virginia B. Silverstein, Laura Silverstein Nunn Page 80