THE TRUTH ABOUT SOY AND CANCER // Dietitian Explains

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In this video we will explore the soy controversy, specifically in regards to if soy increases estrogen and if soy causes breast cancer.

This video is not a substitute for medical advice; please see a Registered Dietitian to discuss your unique nutrition needs based on your medications, medical hx, and lifestyle.

My Instagram: @uncommonRD

References and studies mentioned:

The American Institute for Cancer Research:

Hsieh CY, Santell RC, Haslam SZ, Helferich WG. Estrogenic effects of genistein on the growth of estrogen receptor-positive human breast cancer (MCF-7) cells in vitro and in vivo. Cancer Res 1998

Wu AH, Yu MC, Tseng CC, Pike MC. Epidemiology of soy exposures and breast cancer risk. Br J Cancer. 2008

Dong JY, Qin LQ. Soy isoflavones consumption and risk of breast cancer incidence or recurrence: a meta-analysis of prospective studies. Breast Cancer Res Treat. 2011

Zhao TT, Jin F, Li JG, Xu YY, Dong HT, Liu Q, et al. Dietary isoflavones or isoflavone-rich food intake and breast cancer risk: A meta-analysis of prospective cohort studies. Clinical nutrition. 2019

Moon YJ, Wang X, Morris ME. Dietary flavonoids: effects on xenobiotic and carcinogen metabolism. Toxicol In Vitro. 2006

Guha, Neela et al. “Soy isoflavones and risk of cancer recurrence in a cohort of breast cancer survivors: the Life After Cancer Epidemiology study.” Breast cancer research and treatment vol. 118,2 (2009)

Fritz H, Seely D, Flower G, Skidmore B, Fernandes R, Vadeboncoeur S, et al. Soy, red clover, and isoflavones and breast cancer: a systematic review. 2013

Zhong XS, Ge J, Chen SW, Xiong YQ, Ma SJ, Chen Q. Association between Dietary Isoflavones in Soy and Legumes and Endometrial Cancer: A Systematic Review and Meta-Analysis. Journal of the Academy of Nutrition and Dietetics. 2016.

Shike M, Doane A, Russo L, et al. The effects of soy supplementation on gene expression in breast cancer: a randomized placebo-controlled study. J Natl Cancer Inst. 2014

Khan SA, Chatterton RT, Michel N, et al. Soy isoflavone supplementation for breast cancer risk reduction: a randomized phase II trial. Cancer Prev Res (Phila). 2012

Music credits:

Music: Call me
Musician: LiQWYD

Music: Cactus
Musician: Jeff Kaale

Music: No room
Musician: Jeff Kaale

[NourishNB]

🔥 thanks for the content! Found you through Mel! Loved the collab!

[natak]

🔥🔥🔥 Such great information! I’ve been skeptical of soy for the past few years so it’s nice to hear from a true professional. So happy I subscribed 😊 I loved the collab, too! 💕

[Coffee.for-Breakfast]

Came here from manes by Mel and subbed! Love your content!

[bonniemckee]

🔥thank for this! Since my mother was diagnosed with metastatic breast cancer and I am higher risk as well this has been a concern. Glad to know it does not increase my risk anymore than it already is.

[sadhanagollapudi]

This is such a great video. Really well researched and objective!

[SarshDnB]

🔥 Thank you! I have always wanted to know whether this soy thing was true. I’m sharing it with another friend who I’ve talked about this with.

[bridgetburt]

This is so interesting and informative. You definitely changed my views on soy. I just found your channel through Manes by Mel and I'm so happy that I did!

[yashviasher]

🔥 Thanks for simplifying the research on soy foods!! Super informative and helpful! Love the comedy skit bit!

[mariellediaz]

Hi!! I’m here from Mel’s video and wanted to say you did such a great job on it and I subscribed bc you were super helpful and I want to support you!! I also saw that you graduated from FSU and my sister and I are currently at FSU now! Funny enough, we’re both taking a nutrition class together this semester!!

[tomas-yourhairguru]

So loving your videos <3 I am all about science and research and it's so nice to hear from a dietician who has the facts and uses data to explain herself <3

[kmydesire]

I’m in remission. I’ve been confused for so long about this topic.

[Minuet_B]

🔥 great video, thank you! I’ve been watching some videos about how bad oatmeal can be, could you make a video about that please?

[shelamaesta.teresa]

hi! I am doing resistance training and would want to increase muscle mass. I am taking protein supplements though.
And just recently my mom was diagnosed with stage 1 cancer. Should i stop taking it?

[adrianacastaneda]

Thank you for making this! I'm wondering are protein powders similar to protein bars in the amount of isoflavones they contain?

[loricruz]

Interesting, I am a breast cancer survivor and still taking a hormone blocker 🔥

[loffliff]

Does Soy bean powder increase breast size pls?. Anybody knows this?

[anitramic]

I have been told that soy is not good for the thyroid?

[evavazfreixogarcia]

(fire emoji that doesn´t exist in PC). This def changed my views on soy. Thank you! Also a MBM arrival. However, I´ve always got this question as in - why should we objectively go Vegan, health-wise, if this means that we might/ almost certainly will need to suplement? shouldn't we just worry about having a balanced diet, animal protein included? Meaning we should not overdo in animal protein but have enough to balance things out? And since we eat less animal protein, but just enough, we can do the extra and have the organic eggs, and the organic meat and fish, making sure the production is up to certain standards (dairy excluded unless you live on a farm, I can see that...) Am I really far out? Thank you!

[megringa]

I’m a latte addict - so soy is the best milk? I’ve been so religious using oat milk 🫠 oops help!