TUESDAY, Dec. 11 (HealthDay News) -- People who drink more than four cups of caffeinated coffee daily could significantly reduce their risk of death from certain forms of cancer, according to a new study from the American Cancer Society.
Habitual coffee drinkers had about half the risk of dying from cancers of the mouth and pharynx (part of the throat) than others who never drank coffee or only had it occasionally, the researchers found.
"Coffee is one of the most widely consumed beverages in the world, and contains a variety of antioxidants, polyphenols, and other biologically active compounds that may help to protect against development or progression of cancers," the study's lead author, Janet Hildebrand, said in a society news release. "Although it is less common in the United States, oral/pharyngeal cancer is among the 10 most common cancers in the world. Our finding strengthens the evidence of a possible protective effect of caffeinated coffee in the etiology and/or progression of cancers of the mouth and pharynx."
In conducting the study, the researchers analyzed data on almost a million people from an American Cancer Society study on cancer prevention that began in 1982. Specifically, they examined the link between drinking caffeinated coffee, decaf, or tea with deadly forms of oral cancer.
The participants did not have cancer when the study began. Over the course of 26 years, however, 868 of them died of cancer of the mouth and pharynx.
The study found that drinking more than four cups of caffeinated coffee daily was linked to a 49 percent lower risk of death from oral cancer. Regardless of sex or whether or not the participants smoked or drank alcohol, the researchers pointed out that with each cup of coffee they consumed, their risk of death from this form of cancer dropped.
The study also suggests that drinking more than two cups of decaf coffee per day may have a similar benefit, but this
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