Marin #1 in Nation in Breast Cancer, but people refuse to listen

[Guest guest]

Cyndi,

 

It sounds to me that except for idea that protein and zinc can increase

IGF-1 levels, we are pretty much in agreement IGF-1. As for those points...

 

> If your pituitary gland produces too much GH, you'll have high levels of IGF.

> It has nothing to do with the protein or zinc content of milk.

 

I was just passing on information from Walsh's article:

 

http://www.vegansociety.com/briefings/milkbreastcancer5.htm

 

Walsh says:

 

Milk, IGF-1 and cancer

 

" CLA, calcium, and vitamin D have been hypothesised to give rise to a

beneficial effect of dairy products. Insulin-like growth factor 1 (IGF-1)

has been hypothesised to give rise to an adverse effect of dairy products.

 

" High levels of IGF-1 in blood, or more specifically, a high ratio of IGF-1

to IGFBP-3 (insulin-like growth factor binding protein 3), have been

associated with notably increased risk of premenopausal breast cancer,

prostate cancer, colorectal cancer and lung cancer. The increase in risk

observed is about 1-2% per ng/ml of IGF-1, so a 10 ng/ml increase in IGF-1

would correspond to an increase in cancer risk of about 10-20%. All cow's

milk contains some IGF-1 and milk from cows treated with bovine growth

hormone (sometimes referred to as BST) contains increased amounts of IGF-1.

Milk is also high in protein and zinc. Consumption of these nutrients is

associated with increased IGF-1 levels.

 

" Adding about 600ml (three cups) of milk to the diet of adults aged 55 to 85

years caused an increase in IGF-1 levels from an average of 125 ng/ml to an

average of 137 mg/ml [11]. Reference [12] provides a correlation of IGF-1

levels with zinc intake for postmenopausal women indicating that IGF-1

increases by about 5ng/ml for each mg per day of zinc intake. 600 ml of milk

would provide about 2.4 mg of zinc giving a predicted increase of 12 ng/ml,

exactly as observed. This consistency between observation and prediction

does not support an effect of milk in increasing IGF-1 beyond that expected

from its content of other nutrients. It should be noted that zinc intake is

strongly correlated with protein intake and both may contribute to the

observed link between diet and IGF-1. A direct effect of the IGF-1 in milk

is not indicated by the existing evidence but cannot be entirely ruled out.

Regardless of the mechanism, adding milk to the diet increases IGF-1 level.

This may lead to an increase in cancer risk. "

 

> Despite what the industry says, BGH causes problems in humans who treat

> milk from cows treated with it. There are a bunch of reasons for this but

> two big ones are: 1) Humans should have HUMAN growth hormone (bovine growth

> hormone is for cows); 2) The BGH cows get is genetically engineered, not at

> all a natural bovine product.

 

I'm skeptical about what you're saying about BGH. Like IGF-1, BGH is a

protein that should be digested when you eat it. It's like insulin --

diabetics have to inject insulin because if they ate it, they would just

digest it, making it ineffective. BGH should be the same way. I agree that

it's bad for the cows (it's injected into cows, not fed to them), but I

don't see how it would affect humans to any appreciable degree. If you have

poor digestion and a leaky gut that allows proteins to be absorbed into your

blood stream in tact, then I could see how it would affect a human, but this

should not be that common.

 

I find your statement #1 above to be somewhat contradictory. If a human were

to absorb BGH intact, then the more like human growth hormone (HGH) it is,

the more likely it is to impact the person. The more unlike HGH it is, the

less likely it will be to affect a human.

 

> Organic dairy cows don't get BGH

 

But they naturally have BGH, just not as much as if they had extra injected.

 

> and they don't get antibiotics

 

I would think this is more of an issue than BGH, particularly if the

antibiotics are fat-soluble.

 

Jack