WASHINGTON (AP) -- Researchers in Japan have discovered some eye-opening news about coffee: It may help prevent the most common type of liver cancer.
A study of more than 90,000 Japanese found that people who drank coffee daily or nearly every day had half the liver cancer risk of those who never drank coffee. The protective effect occurred in people who drank one to two cups a day and increased at three to four cups.
Animal studies have suggested a protective association of coffee with liver cancer, so the research team led by Monami Inoue of the National Cancer Center in Tokyo analyzed a 10-year public health study to determine coffee use by people diagnosed with liver cancer and people who did not have cancer.
They found the likely occurrence of liver cancer in people who never or almost never drank coffee was 547.2 cases per 100,000 people over 10 years.
But for people who drank coffee daily the risk was 214.6 cases per 100,000, the researchers report in this week's issue of the Journal of the National Cancer Institute.
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