Your Questions Answered - Part 2

From glowing fish to feminizing tofu - the second and final installment of me answering your questions about GMO. 

References relevant to Question 1 - Soy Phytoestrogens

• Article on use of the term “Soy boy”
• Messina, M., Mejia, S. B., Cassidy, A., Duncan, A., Kurzer, M., Nagato, C., … Barnes, S. (2022). Neither soyfoods nor isoflavones warrant classification as endocrine disruptors: a technical review of the observational and clinical data. Critical Reviews in Food Science and Nutrition, 62(21), 5824–5885. 
• Povey AC, Clyma J-A, McNamee R, et al; Participating Centres of Chaps-UK. Phytoestrogen intake and other dietary risk factors for low motile sperm count and poor sperm morphology. Andrology. 2020;8:1805–1814.

References relevant to Question 2 - GMO animals

• Wikipedia article on GloFish - provides a good summary of the history. https://en.wikipedia.org/wiki/GloFish
• 2003 discussion forum - discussing merits of brand new GloFish product. 
• Bratspies, Rebecca. (2005). Glowing in the Dark: How America's First Transgenic Animal Escaped Regulation. 
• CAPITOL ALERT ‘Glowing fish’ exempt from proposed ban on gene-edited pets in California By Kate Wolffe Updated February 5, 2026 2:20 PM
• Wikipedia article on AquaAdvantage Salmon
• 2024 AquaBounty press release announcing sell off of assets. 

References relevant to Question 3 - Health impacts of GMOs

• Shen, C., Yin, XC., Jiao, BY. et al. Evaluation of adverse effects/events of genetically modified food consumption: a systematic review of animal and human studies. Environ Sci Eur 34, 8 (2022). https://doi.org/10.1186/s12302-021-00578-9