Too Much Soy May Neutralize Benefits
Vegans consuming 7-18 servings of soy foods a day may end up with circulating IGF-1 levels comparable to those who eat meat.
The allusion to stopping cancer progression through diet is a reference to Dr. Ornish's remarkable work featured in my video Cancer Reversal Through Diet. The eight-fold higher cancer cell growth suppression documented in those eating plant-based diets can be found in Developing an Ex Vivo Cancer Proliferation Bioassay. It's important to remember in this discussion that soy food consumption is associated with an array of health benefits. See, for example,Breast Cancer Survival and Soy, The Effect of Soy On Precocious Puberty, andSoy Foods & Menopause. The question really just comes down to the topic of tomorrow's video, How Much Soy Is Too Much?
For some context, please check out my associated blog post: How Much Soy Is Too Much?