Baicalein is used in traditional Chinese medicine and biochanin A is found in peanuts, chickpeas and other legumes.

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"In traditional Chinese medicine, they feel your pulse, look at your tongue and smell your breath, " he told BBC News.

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Harvard researcher Ted Kaptchuk trained for five years in traditional Chinese medicine, but then became one of the leading researchers into the placebo effect.

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Mr. Bongers estimated that half of the 4, 500 metric tons exported each year from Ethiopia is shipped to China, where it is used in traditional Chinese medicine.

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Hutchison Managing Director Canning Fok liked that idea but also saw an opportunity to get in on sales of traditional Chinese medicine in China, a segment of the pharma business that had not yet opened up to foreign investment.

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Acupuncture and moxibustion are forms of traditional Chinese medicine widely practised in China and also found in regions of south-east Asia, Europe and the Americas.

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In 2000 the Chinese government finally opened the traditional medicine sector to foreign investment, and Chi-Med was one of the first in.

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Officially, 1, 273 Western drug formulations are sold in China, far more than the 564 traditional Chinese medicine formulas, according to the 2005 Chinese Pharmacopoeia.

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Her adherence to the unproven concepts of traditional Chinese medicine puts the science she presents later in the book on uncertain footing.

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Effects of the traditional Chinese herbal medicine Yi-Gan San for cholinesterase inhibitor-resistant visual hallucinations and neuropsychiatric symptoms in patients with dementia with Lewy bodies.

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