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Sunday, 31 October 2010

green tea sebagai anti oksidant tapi tidak melindungi dari kanser payu dara...

Tak kesah lah.. walaupun kajian kata green tea tidak melindungi dari kanser payu dara walaupun mengandungi  anti oksidant...saya tetap minum...teh hijau

Article taken  from DMA1L written by Dma1l reporter with thanks:

""It may be packed with anti-oxidants but green tea does not protect against breast cancer, according to an extensive study.

Previous research on both animals and human cells had suggested the hot drink could boost the body's defenses against the cancer.

However, the latest analysis looking at 54,000 women found no association between drinking green tea and breast cancer risk.

A five year study found no link between drinking green tea and reducing a person's risk of breast cancer

Dr Motoki Iwasaki, from the National Cancer Center, Tokyo, worked with a team of researchers to carry out the study.

He said: 'Results from human studies have been inconclusive. Our large-scale, population-based prospective cohort study is one of the first to include a wide range of tea intakes; women who drank green tea less than 1 cup per week to those who drank 10 or more cups per day.

'It found no overall association between green tea intake and the risk of breast cancer"

The study published in BioMed Central's open access journal Breast Cancer Research.

More...Golden bullet for breast cancer uses precious metal thinner than a human hair

It assessed tea intake by a questionnaire, once at the beginning of the study and then again five years later.

Cancer incidence was assessed by notification from major local hospitals in the study area and population-based cancer registries.

Approximately 12 per cent of women drank green tea less than one cup per week while 27 per cent drank five or more cups per day.

Speaking about the survey, Dr Iwasaki said, 'The other major strength of the present study was its prospective design, in which information was collected before the subsequent diagnosis of breast cancer, thereby avoiding the exposure recall bias inherent to case-control studies.

'Drinking green tea as a beverage is unlikely to reduce the risk of breast cancer regardless of green tea type and number of cups'.""