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Sorry rriis, I mistook the intention of your original links. Good luck to you too!
As I said, I didn't have time to go into detail yesterday, but the other thing about anti-soy groups is the research that they omit. If they're going to use rat studies then ethically they should represent all the rat studies on the issue of soy, thyroid, testosterone etc....
For instance Aoyama et al published a paper in 2000 that used a mouse model of obesity (called 'genetically obese mice') and found that, compared to a diet high in whey protein, mice placed on a high soy protein (reduced calorie) diet lost significantly more bodyfat while retaining the same LBM as the whey fed mice.
Badger et al 2001 compared the developmental and health affects of soy, whey or casein diets on several generations of rats.
They found that soy protein accelerated puberty in female rats (but not males) and reduced serum estradiol concentrations. The male rats fed soy had normal serum T-levels and gonad size. Interestingly whey protein delayed puberty in both males and females. Both whey and soy fed rats had a huge decrease in the development of mammary tumors compared to casein fed rats.
The authors conclude "Whether similar developmental effects occur in human infants is unknown, but unlikely because (1) most infants do not consume such diets throughout life as these rats did, and (2) no such effects have been reported in millions of American infants fed infant formula containing these proteins. The long-term health consequence implications of early diet exposure to soy protein isolate and whey protein isolate, such as reduced breast cancer incidence, are likely to be very positive."
So maybe you should ditch the milk and have a soy/whey mix??
You see what I mean to "two sides" to this story. There's actually many sides to this story so I would be suspicious of anyone who took a strong stand such as "soy is the best food in the world for everyone" or "soy is the worst food in the world for everyone".
As I said, I didn't have time to go into detail yesterday, but the other thing about anti-soy groups is the research that they omit. If they're going to use rat studies then ethically they should represent all the rat studies on the issue of soy, thyroid, testosterone etc....
For instance Aoyama et al published a paper in 2000 that used a mouse model of obesity (called 'genetically obese mice') and found that, compared to a diet high in whey protein, mice placed on a high soy protein (reduced calorie) diet lost significantly more bodyfat while retaining the same LBM as the whey fed mice.
Badger et al 2001 compared the developmental and health affects of soy, whey or casein diets on several generations of rats.
They found that soy protein accelerated puberty in female rats (but not males) and reduced serum estradiol concentrations. The male rats fed soy had normal serum T-levels and gonad size. Interestingly whey protein delayed puberty in both males and females. Both whey and soy fed rats had a huge decrease in the development of mammary tumors compared to casein fed rats.
The authors conclude "Whether similar developmental effects occur in human infants is unknown, but unlikely because (1) most infants do not consume such diets throughout life as these rats did, and (2) no such effects have been reported in millions of American infants fed infant formula containing these proteins. The long-term health consequence implications of early diet exposure to soy protein isolate and whey protein isolate, such as reduced breast cancer incidence, are likely to be very positive."
So maybe you should ditch the milk and have a soy/whey mix??
You see what I mean to "two sides" to this story. There's actually many sides to this story so I would be suspicious of anyone who took a strong stand such as "soy is the best food in the world for everyone" or "soy is the worst food in the world for everyone".
