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Deadly Metals in Ayurvedic Medicines" - TOI - 28/08/2008

"Deadly Metals in Ayurvedic Medicines" - TOI - 28/08/2008

Similar article was also published in Mumbai Mirror on same day. These two articles were based on article published in the US News papers based on Results of the study published in the Aug. 27 issue of the Journal of the American Medical Association. The article and the study is reproduced below. Please give your comments on this issue:

Tuesday, August 26, 2008

TUESDAY, Aug. 26 (HealthDay News) -- About one in five ayurvedic medicine products purchased on the Internet contain significant levels of lead, mercury or arsenic, a new study finds.

The researchers found that products manufactured in the United States were even more likely to contain the metals than those made in India, where the ayurvedic approach was first developed centuries ago. Furthermore, 75 percent of the products containing lead, mercury or arsenic advertised that they were manufactured using "Good Manufacturing Practices," which is a U.S. Food and Drug Administration (FDA) regulation meant to ensure quality.

"We randomly purchased 193 traditional Indian (ayurvedic) medicine products from the Internet. About 60 percent were from U.S. companies and 40 percent from Indian companies. Twenty-one percent had significant levels of lead, mercury and arsenic," said the study's lead author, Dr. Robert B. Saper, an assistant professor of family medicine at Boston University School of Medicine, and director of integrative medicine at Boston Medical Center.

In high levels, these metals can be toxic.

Results of the study are published in the Aug. 27 issue of the Journal of the American Medical Association.

Ayurvedic medicine is an ancient Indian practice that combines the use of numerous modalities, such as herbal medicine, massage and special diets, to promote wellness and prevent illness, according to the U.S. National Center for Complementary and Alternative Medicine.

There are two common practices in ayurveda -- either herbal medicine alone, or herbal medicines combined with metals and gems, a practice known as rasa shastra. In rasa shastra, herbs are combined with metals such as lead, mercury, iron and zinc, and gems such as pearl. Those that practice this type of ayurveda believe it is safe and therapeutic, according to the study.

Saper said that "many traditional Indian practitioners believe quite strongly that if rasa shastra is done correctly, it is safe," that he feels these practices should be "seriously called into question." Saper also said that he doesn't believe anyone should deliberately ingest lead, mercury or arsenic.

The current study included 193 products randomly selected and purchased over the Internet. The researchers found that 20.7 percent contained metals. The rate in U.S. manufactured products was 21.7 percent, and in Indian products, it was 19.5 percent.

Not surprisingly, almost 41 percent of rasa shastra products had a greater prevalence of metals, including high levels of lead and mercury. "Several Indian-manufactured rasa shastra medicines could result in lead and/or mercury ingestions 100 to 10,000 times greater than acceptable limits," the researchers wrote.

Seventy-five percent of the products claimed to be manufactured under Good Manufacturing Practices.

Products made by members of the American Herbal Products Association (AHPA) were less likely to contain metals, according to the study.

Michael McGuffin, president of the AHPA, said, "It's not an accident that AHPA members performed better. We've called our members attention to the presence of heavy metals in plant materials. Lead is ubiquitous. It's in the soil and in the plants. I don't think you can get these levels to zero, but it is the manufacturers' responsibility to know the amount and to limit it."

AHPA also recommends that its members don't manufacture rasa shastra products.

Saper said that the FDA hasn't currently set a maximum level allowed for lead, mercury and arsenic in dietary supplements, but he believes they should.

McGuffin recommended buying products made by members of AHPA, because the study found they were least likely to contain metals, and he said consumers should call the makers of their medicines and "ask tough questions." He said if you call a company and ask what their limits are for lead, and the representative says they don't know, that's a red flag.

http://www.nlm.nih.gov/medlineplus/news/fullstory_68574.html

JAMA. 2004 Dec 15;292(23):2868-73.

Heavy metal content of ayurvedic herbal medicine products.

Saper RB, Kales SN, Paquin J, Burns MJ, Eisenberg DM, Davis RB, Phillips RS.

Division for Research and Education in Complementary and Integrative Medical Therapies, Osher Institute, Harvard Medical School, Boston, USA. robert.saper@bmc.org

CONTEXT: Lead, mercury, and arsenic intoxication have been associated with the use of Ayurvedic herbal medicine product (HMPs). OBJECTIVES: To determine the prevalence and concentration of heavy metals in Ayurvedic HMPs manufactured in South Asia and sold in Boston-area stores and to compare estimated daily metal ingestion with regulatory standards. DESIGN AND SETTING: Systematic search strategy to identify all stores 20 miles or less from Boston City Hall that sold Ayurvedic HMPs from South Asia by searching online Yellow Pages using the categories markets, supermarkets, and convenience stores, and business names containing the word India, Indian cities, and Indian words. An online national directory of Indian grocery stores, a South Asian community business directory, and a newspaper were also searched. We visited each store and purchased all unique Ayurvedic HMPs between April 25 and October 24, 2003. MAIN OUTCOME MEASURES: Concentrations (microg/g) of lead, mercury, and arsenic in each HMP as measured by x-ray fluorescence spectroscopy. Estimates of daily metal ingestion for adults and children estimated using manufacturers' dosage recommendations with comparisons to US Pharmacopeia and US Environmental Protection Agency regulatory standards. RESULTS: A total of 14 (20%) of 70 HMPs (95% confidence interval, 11%-31%) contained heavy metals: lead (n = 13; median concentration, 40 microg/g; range, 5-37,000), mercury (n = 6; median concentration, 20,225 microg/g; range, 28-104,000), and/or arsenic (n = 6; median concentration, 430 microg/g; range, 37-8130). If taken as recommended by the manufacturers, each of these 14 could result in heavy metal intakes above published regulatory standards. CONCLUSIONS: One of 5 Ayurvedic HMPs produced in South Asia and available in Boston South Asian grocery stores contains potentially harmful levels of lead, mercury, and/or arsenic. Users of Ayurvedic medicine may be at risk for heavy metal toxicity, and testing of Ayurvedic HMPs for toxic heavy metals should be mandatory.

PMID: 15598918 [PubMed - indexed for MEDLINE]

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Frequently Asked Questions About Ayurveda

Q. What is Ayurved?

A. Ayurved is an ancient healing system, wherein “Ayu” means Life and “Veda” means knowledge. Ayurveda originated as part of ‘Vedic Science’. The fundamentals of Ayurveda can be found in all the Vedic scriptures viz. Rugveda, Atharvaveda, Yajurved and Samaved. This is an integral spiritual science devised to give a comprehensive understanding of the entire universe, which it sees as working according to a single law.

Q. How does it differ from Allopathy?

A. Ayurved is a complete and independent science by itself. It has its own concepts of human anatomy, physiology, pathology and treatment.

Ayurvedic philosophy encompasses the living and the non-living. Ayurveda, traditionally, involves a holistic treatment of the entire human being and our full cosmic nature.

As ayurved has its own views about a diseases process, which is different from that of allopathy, the treatment of a particular ailment may differ in many of the diseases.

Q. What role does Ayurved plays in treatment of chronic diseases like asthma, arthritis, skin diseases etc?

A. Ayurved can provide better solution for chronic diseases like asthma, arthritis, skin diseases etc. Correct use of ayurvedic medicine can provide symptomatic as well as long-term benefits in such diseases. If used judiciously, ayurvedic medicine does not produce any side effect and safe for long term use. In fact in such cases allopathic medicines have to be used in increasing dosage and then too they loose their effect after prolonged use.

Q. Does it have any role in serious diseases like coronary artery disease (CAD), cerebral vascular disease, malignancies etc?

A. Ayurved does offer comparatively better and effective medical management of major diseases like coronary artery disease, cerebral vascular disease, malignancies etc. However, in advance cases, the surgical management with the help of modern technology is necessary. At “Ayurlife”, we propose to treat CAD with ayurvedic medicines, preceded and followed by angiography, to endorse the effectiveness of ayurvedic treatment.

Q. What is Panchakarma?

A. Panchakarma is a very powerful healing technique. To maintain health and alleviate diseases, Ayurved advocates “Panchakarma” as a powerful purification process to eliminate mental, physical and emotional toxins. Panchakarma literally means “pancha” meaning five and “karma” meaning actions or therapies. It is a five-fold purification therapy aimed at correcting the imbalance of bodily humors viz. vata, pitta and kapha in order to maintain their inherent equilibrium.

Q. Is there Ayurvedic therapy to bring about rejuvenation or to delay ageing or to maintain youthfulness?

A. The aim of Ayurved is to maintain or preserve health in healthy person and second is to cure the disease in diseased person. To achieve these goals different means, methods and regimen have been described.

The first objective of Ayurved i.e. 'swasthasya swasthya rakshanam', is to be achieved by promoting strength and immunity by the means of 'vrishya chikitsa' (aphrodisiac) and 'rasayana chikitsa' (rejuvenation treatment). It also includes enhancement of life, intelligence and strength along with the capability to alleviate diseases.

Rasayana tantra is one of the eight branches of Ayurved. This branch deals with vaya sthapan (age stabilizers), ayushkara (life promoters), medha kara (intellect promoters), bala kara (strength promoters), and also roga hara (disease curative) therapeutics.

Thus overall effect of rasayana is on the basic functional units of the human body. It improves nutritional status and the better qualities of seven dhatu, which lead to a series of relative attributes of rasayana such as longevity, immunity against diseases, improve mental and intellectual ability, etc by direct enrichment of the nutritional quality of rasa dhatu.

Q. Is it safe to use ayurvedic therapies in newborn babies, very small children and aged people?

A. Under a guidance and supervision of a qualified ayurvedic physician, it is safe to use ayurvedic therapies in newborn babies, very small children and aged people.

Q. Is it true that good and effective ayurvedic treatment is very expensive?

A. Ayurvedic treatments for common medical problems are not very expensive. However, like conventional medicine, specialized treatment required for certain ailments like coronary artery disease, malignancy, rejuvenation, aphrodisiacs etc. are little expensive. At “Ayurlife”, we will treat deserving patients at concessional rate.

Q. Is it true that ayurvedic treatment is to be continued for very long period of time?

A. The duration of treatment depends on various factors like type of disease, duration of disease, age of the patient, type of medicines used, nutritional status of patient etc.

Q. How does the patient know that the doctor treating him has a proper medical qualification?

A. Now in India, the uniform degree awarded by the competent Universities after graduation for the qualified ayurvedic physician is B.A.M.S (Bachlor of Ayurvedic Medicines & Surgary). The postgraduate degree awarded is M.D (Ayurved) in various disciplines. At “Ayurlife” we use medicines, which are prepared under very strict quality control measures.

Q. How does the patient know that the doctor treating him is using genuine ayurvedic medicines?

A. One should consult only with the qualified ayurvedic physician. If in doubt, one can always get the medicines analised by an approved laboratory.

Q. Can a patient take ayurvedic medicines (which are advertised in media), without consulting an ayurvedic specialist?

A. No, one should consult an ayurvedic physician before taking any medicines.

Q. How does ayurvedic massage differs from the massage given at beauty parlors or massage parlors?

A. Ayurvedic massage (abhyanga) is a therapeutic procedure, which is used independently or as a pre treatment to other panchakarma procedures. In abhyanga, whole body is massaged with specific medicated oils as per the need of the patient. It nourishes and revitalizes the body tissues (Dhatus) and to allows the toxins to be removed from the cells. Abhyanga has much deeper and far-reaching effects than an ordinary massage.

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