Green Tea Guards Against Lung Cancer in Nonsmokers
Participants: 1,324 women, 649 of whom
had lung cancer, and 675 of whom did not have the disease
Where: Shanghai, China
Type of study: Case-control
Study methods: The past consumption of green tea
in those who had lung cancer was compared to the past consumption in those who did not have the disease.
What happened: The study showed that for
nonsmokers, drinking green tea reduced the risk of developing lung cancer by 35%
- and the
risk dropped as the consumption of green tea increased. For smokers there was
no association.
Researchers' conclusion: "Among nonsmoking
women, consumption of green tea was associated with a reduced risk of lung
cancer...and the risks decreased with increasing consumption."
Citation: Zhong L, Goldberg MS, Gao YT, et al. A
population-based case-control study of lung cancer and green tea consumption
among women living in Shanghai, China. Epidemiology 2001;12(6):695-700. (Click here to read PubMed study
abstract.)
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Nadine Taylor, M.S., R.D. presents
GreenTeaLibrary.com, the most comprehensive collection of scientific
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