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The government is out with its largest study to date of a carcinogen in rice.

FOX News Radio's Lilian Woo reports:

The Food and Drug Administration announcing it has found little cause for concern over the level of arsenic in rice.

In tests of more than 1,300 samples the FDA finding levels vary with the most in brown rice and among the lowest levels in instant rice. But concluding that overall levels are so low that rice is safe to eat.

The agency is still studying long term effects of consuming rice and encouraging people to vary their diets to minimize risk.

Rice is grown in flooded fields making it prone to taking in arsenic that naturally occurs in the soil rocks and water.

Lilian Woo, FOX News Radio.