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Why are corn grits in Rugao and radish in Rugao called longevity food? Is there a scientific basis for this?
Nantong Rugao has many longevity foods!

Rugao corn grits, Rugao radish strips, Rugao radish skins, Rugao sausages, Rugao floss, Baipu tea, Rugao fragrant belly and Rugao Liang Dong are called longevity food.

Maybe it's because of the soil

The selenium content in Rugao land is higher than that in other places.

This may be the reason for the longevity town!

I am the son-in-law of Rugao people and have heard of these things!