A recent study conducted by researchers from the University of California, Los Angeles, and the University of Utah School of Medicine in the United States revealed that coffee and tea consumption is associated with a reduced risk of head and neck cancers, including mouth and throat cancer.
The study results were published in the American Cancer Society's journal Cancer on December 23, and were also reported on by EurekAlert.
Head and neck cancer is the seventh most common cancer worldwide. Several studies have evaluated whether drinking coffee or tea is associated with head and neck cancers, but the results of these studies have been inconsistent.
In this study, researchers examined data published in 14 studies conducted by various scientists around the world. Participants in these studies completed questionnaires about their previous consumption of caffeinated and decaffeinated coffee and tea, recording the number of cups they consumed daily, weekly, monthly, and annually.
Drinking coffee protects you from head and neck cancers.
Researchers collected information from more than 9,000 patients with head and neck cancer and 15,000 people without cancer, and found that individuals who drank more than 4 cups of caffeinated coffee per day were 17% less likely to develop head and neck cancer overall, 30% less likely to develop oral cavity cancer, and 22% less likely to develop throat cancer.
Drinking 3-4 cups of caffeinated coffee was associated with a 41% lower risk of hypopharyngeal cancer, while drinking decaffeinated coffee was associated with a 25% lower risk of oral cavity cancer.
One cup of tea is enough for you
Drinking tea was associated with a 29% lower risk of hypopharyngeal cancer. Drinking one cup of tea per day was also associated with a 9% lower risk of overall head and neck cancer and a 27% lower risk of hypopharyngeal cancer. However, drinking more than one cup was associated with a 38% higher risk of laryngeal cancer.
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