Seven cups of green tea a day over the long-term may massively reduce the risk of death from colorectal cancer and heart disease. Compared to people who drank less than one cup a day, seven or more cups of green tea a day may reduce the risk of dying from heart disease by 75 per cent, report scientists from Okayama University in the Annals of Epidemiology. Additionally, a reduction in the risk of colorectal cancer mortality of 31 per cent was observed for people who drank more than seven cups of green a day, compared to people who frank less than three cups a day.
The strong effects observed in the study may be due to long-term, high consumption of green tea, said the researchers. Only people aged between 65 and 84 participated in the study. “Assuming that green tea consumption at the time of assessment is sufficiently representative of long-term, previous exposure to make a plausible link with the risk of mortality, the longer cumulative exposure to green tea may be responsible for the stronger effects of the present study, [compared to past studies],” they added.
The Japanese team recruited 14,001 elderly residents in Japan, of which 12,251 individuals were analyzed to estimate the various associations between green tea consumption and all-cause mortality, cancer and CVD. During an average of 5.2 years of follow-up, 1,224 participants died, 400 were due to cancer, and 405 from cardiovascular disease (CVD).
Bonnie - this is one study so let's not get overly excited. However, I hope this at least gets the attention of drug-happy cardiologists in this country.
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