Protein Intake & IGF-1 Production04:33

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Published on January 30, 2018

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DESCRIPTION: Animal protein consumption triggers the release of the cancer-promoting growth hormone IGF-1. For background on IGF-1 see IGF-1 as One-Stop Cancer Shop ( and Cancer-Proofing Mutation ( In The Answer to the Pritikin Puzzle ( we established that the reason the blood of those eating plant-based diets appeared so much better at fighting cancer cell growth, see Ex Vivo Cancer Proliferation Bioassay ( is likely due to the drop in IGF-1 levels, especially those following vegan diets as per Friday’s video-of-the-day How Plant-Based to Lower IGF-1 ( Now it appears we know why—their avoidance of animal protein. Let’s go one level deeper and ask why animal protein preferentially triggers IGF-1 release. Stay tuned for tomorrow’s video-of-the-day Higher Quality May Mean Higher Risk (

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