October 2, 2008

The China Study, Part IV, Breast Cancer.

Does anyone reading this NOT know someone who has dealt with breast cancer? Sure, this is an odd topic for a male to pick, but there's a lot of women in my life I'd like to keep around for a good long time. Don't you have some too?

"[Quote] There are at least four important breast cancer risk factors that are affected by nutrition, as shown in Chart 8.1. Many of these relationships were confirmed in the China Study after being well established in other research."[End quote]

Obviously, you can't see the chart, but I can write down the risk factors, they are:
1. early age of menarche (look it up)
2. late age of menopause
3. high levels of female hormones in blood
4. high blood cholesterol

"[Quote] With the exception of blood cholesterol, these risk factors are variations on the same theme: exposure to excess amounts of female hormones, including estrogen and progesterone, leads to an increased risk of breast cancer. Women who consume a diet rich in animal-based foods, with a reduced amount of whole, plant-based food, reach puberty earlier and menopause later, thus extending their reproductive lives. They also have higher levels of female hormones throughout their lifespan, as shown in chart 8.2.

According to our China Study data, lifetime exposure to estrogen is at least 2.5-3.0 times higher among Western women when compared with rural Chinese women. This is a huge difference for such a critically important hormone. To use the words of one of the leading breast cancer research groups in the world, "there is overwhelming evidence that estrogen levels are a critical determinant of breast cancer risk." Estrogen directly participates in the cancer process. It also tends to indicate the presence of other female hormones that play a role in breast cancer risk. Increased levels of estrogen and related hormones are a result of the consumption of typical Western diets, high in fats and animal protein and low in dietary fiber.

The difference in estrogen levels between rural Chinese women and Western women is all the more remarkable because a previous report found that a mere 17% decrease in estrogen levels could account for a huge difference in breast cancer rates when comparing different countries. Imagine, then, what 26-63% lower blood estrogen levels and eight to nine fewer reproductive years of blood estrogen exposure could mean, as we found in the China Study.

This idea that breast cancer is centered on estrogen exposure is profound because diet plays a major role in establishing estrogen exposure. This suggests that the risk of breast cancer is preventable if we eat foods that will keep estrogen levels under control. The sad truth is that most women simply are not aware of this evidence. If this information were properly reported by responsible and credible public health agencies, I suspect that many more young women might be taking very real, very effective steps to avoid this awful disease."[End quote]

If you want more on this topic from the book, and there's plenty more, please grab it from somewhere. Much of the book hits home after reading the whole thing, not just bits here and there. I'm just trying to get people interested.

1 comment:

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