Some consumers are allergic to soy.

WSJ: Label Decoder: Protein Additives in Food

As for home-cooked meals, while it is easy to measure the amount of salt called for in a recipe, it gets more complicated if the dish calls for soy sauce, or some other ingredient which contains salt.

BBC: NEWS | UK | Magazine | How do I know if I'm eating 6g of salt a day?

Since 2006, food manufacturers have been required to clearly label products that contain any of the most common allergens -- milk, eggs, fish, shellfish, peanuts, tree nuts, wheat and soy -- but some allergy experts say the labels should be more explicit.

CNN: The story

Through the Roundtable on Responsible Soy, we are working with some of the world's leading businesses to ensure that happens.

ECONOMIST: Letters

If you hate fish, take a fish oil capsule or try out some of the new foods fortified with DHA including soy milk, yogurt and nutrition bars.

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The women were told to eat the soy nuts throughout the day -- some at breakfast, some at lunch, some at dinner and some before going to bed.

CNN: The nutty health benefits of soy

Mr Rich had brought along some samples of his new invention, a concoction of soy-oil shortening, isolated soya protein, corn syrup and water, in the hopes of persuading them that this could taste as yummy, and whip as lightly, as heavy cream.

ECONOMIST: Robert Rich

It said some of the better researched therapies such as red clover and soy had been shown to be beneficial in treating symptoms, but there was conflicting evidence over others.

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That drop is significant, she said, because "women absorb soy at different rates" -- so though some women had as little as a 20 percent reduction in hot flashes, others had as much as an 80 percent drop.

CNN: The nutty health benefits of soy

In addition to the old soy sauce breweries, there are shrines and other interesting pieces of architecture worth some Facebook bragging.

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Other components of soy foods, such as folate, protein, calcium, or fiber (or some combination thereof) may also be responsible for the health benefits reported in the study, she says.

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Also, most soy bean plants grown in the U.S. are genetically modified, a turnoff for some consumers.

WSJ: Label Decoder: Protein Additives in Food