Transcript: How Plant-Based to Lower IGF-1?
Just a few days of walking and eating whole healthy plant foods and our IGF-1 levels drop low enough to reverse cancer cell growth.
What if we stick with it? Going to some Pritikin spa and getting healthy for two weeks is one thing, but what about long-term? Does your IGF-1 start to creep back up to standard American diet levels again?
No. Here’s after 11 days, and it just gets better. People eating plant-based for 14 years have half the IGF-1 in their bodies, and more than twice the IGF binding protein than those on the standard american diet.
We know decreasing animal product consumption decreases our IGF-1 levels, but how low do you got to go? How plant-based does our diet need to get? Well, let’s look at IGF1 levels in meateaters, versus vegetarians, versus vegans.
The aim of this study was to determine whether a plant-based diet is associated with a lower circulating level of IGF-1 compared with a meat-eating or lacto-ovo-vegetarian diet, and this is what they found. Only the vegans had significantly lower levels. And the same relationship found with IGF-binding capacity. Only the vegans were significantly able to bind up excess IGF-1 in their blood streams.
This was a study on women…, What about vegan men? They found the same thing. So even though vegan men tend to have significantly higher testosterone levels, than both vegetarians and meateaters—which can be a risk factor for prostate cancer, the reason plant-based diets appear to reverse the progression of prostate cancer may be due to how low their IGF-1 drops.
The bottom line… is that male or female, just eating vegetarian did not seem to cut it. It looks like to get a significant drop in cancer-promoting growth hormone levels one apparently has to eliminate animal products altogether. The good news is that given what we now know about IGF-1, we can predict “that a low-fat vegan diet may be profoundly protective with respect to, for example, risk for postmenopausal breast cancer.”
To see any graphs, charts, graphics, images, and quotes to which Dr. Greger may be referring watch the above video. This is just an approximation of the audio contributed by Kerry Skinner.
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