It’s difficult to isolate soya’s benefits conclusively:

• No one has given people soya foods, then looked at whether they’re more or less likely to get breast cancer over time than those not given soya.
• One review of evidence into soya's effect on breast cancer risk found studies...

Soya has only been a common part of the Western diet for around 60 years. Soy products include soy milk, soy burgers and soy-based meat replacements, tofu tempeh, miso and soya sauce.

Soya has also been linked to a lower risk of heart disease compared to other diets. It's a good source of p...

Some research has found that the benefits that soya provides are mostly determined by a woman's ability to produce equol, a bacteria that around 30% - 50% of adults produce in their intestines after eating soy.

It is possible that a person's ability to produce equol, rather than equol itsel...

Soya’s benefits depend on the type of soya we eat. The isoflavone content is higher in unprocessed soybeans, compared to processed soya foods. 

Women should be safe to consume soya foods in amounts consistent with the Asian diet. However, the more soya is processed, the lower the level...