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==News About Ginseng== | ==News About Ginseng== | ||
'''Ginseng 'could improve memory'''' | |||
*Source:http://news.bbc.co.uk/2/hi/health/2760833.stm | |||
:(BBC News) | |||
The herbal remedy ginseng can help improve memory in stroke patients suffering from dementia, researchers have found. | |||
Stroke patients can experience a form of memory loss called moderate vascular dementia, which is caused by damage to the blood vessels leading to the brain. | |||
Chinese researchers found taking a ginseng compound meant people who had experienced a stroke scored more highly on memory tests than those who did not take the herb. | |||
But UK experts said the findings had to be treated with caution. | |||
Forty patients, with an average age of 67, who had mild or moderate vascular dementia took part in the study. | |||
Twenty-five were given a tablet of ginseng extracted from Chinese ginseng roots, leaves and an herb known as panax notoginseng three times daily. | |||
The rest were given a Duxil, (almitrine + raubasine), a drug which increases oxygen use in brain tissue. It has previously been shown to improve the memory of elderly patients with dementia. | |||
All 40 were given memory tests which focused on how well they could recall stories, words and other verbal and visual memory tests before and after the 12-week study. | |||
Those given the ginseng significantly improved their average memory function after 12 weeks. | |||
It was found ginseng increased the activities of the brain chemicals acetylcholine and choline acetyltransferase in elderly mice. | |||
:'Used for centuries' | |||
Professor Jinzhou Tian, from the Department of Care of the Elderly at Beijing University of Chinese Medicine, Dongzhimen Hospital in China, led the research. | |||
Professor Tian said the Chinese ginseng extract was a cheap natural treatment. | |||
"Chinese ginseng has been used for centuries in China to treat disease and aging." | |||
"However, the effects of Chinese ginseng compound on mild or moderate dementia after stroke in humans have not been reported until now." | |||
The researchers say larger studies are needed to confirm their findings. | |||
:Further research | |||
Dr Robert Adams, a spokesperson for the American Stroke Association, said: "There is currently great interest in studying herbs used in traditional forms of medicines, and the problem of dementia after stroke is a significant one. | |||
"As the authors point out, this work showing that ginseng may improve memory after stroke needs to be further studied, with larger sample sizes. | |||
"At this time, a recommendation to use this herb for memory enhancement would be premature." | |||
:'Caution' | |||
Dr Richard Harvey, head of research for the UK's Alzheimer's Society warned the design of the study meant its findings could not be relied on. | |||
"It's not at all valid to say ginseng improves memory because they compared people given that to people given a completely different drug." | |||
He said it would have been possible to say ginseng conferred benefits if they had compared people taking to ginseng to a group taking nothing, or given both groups Duxil with one also receiving ginseng. | |||
Dr Harvey added: "This study has to be treated with enormous caution. | |||
"This is dangerous science that's not easily interpreted." | |||
Eoin Redahan, of the Stroke Association, said: "We would suggest that anyone thinking of taking ginseng should first discuss this with their doctor as it may inter-react with medicines already being taken." | |||
The research was presented to the American Stroke Association's conference in Phoenix, Arizona. | |||
---- | |||
'''Knocking Out Colds with Ginseng''' | '''Knocking Out Colds with Ginseng''' | ||
*Source:http://altmedicine.about.com/od/coldsandflu/fl/Ginseng-for-Colds.htm | *Source:http://altmedicine.about.com/od/coldsandflu/fl/Ginseng-for-Colds.htm | ||