Dietary Quercetin Cuts the Risk of Gastric Cancer

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Stomach cancer is the fourth most common cancer and the second most common cause of death worldwide.  Gastric cancer is eight times more common among Asian men than among North American women.

Quercetin, a dietary supplement that possesses strong antioxidant properties, was previously found to inhibit cancer cell proliferation and blood vessels generation.

In a study published in the Annals of Oncology, high intake of quercetin was reported to be associated with a reduced risk of gastric cancer.

The study evaluated the intake of quercetin and the risk of gastric cancer in 1,616 Swedish.  Individuals who had high intake (>11.9 mg) of daily quercetin were 43% less likely to develop gastric cancer than those with low daily intake (<4 mg).  Furthermore, the reduction in risk appeared to be much stronger among female smokers (80% reduction).

This study suggests intake of dietary quercetin might reduce the risk of gastric cancer and the protection appears to be particularly strong among female smokers.

Source: Annals of Oncology, 2010

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