Recent research paints a very different picture of soy than the common myths: • A 2021 meta-analysis found no effect of soy protein or isoflavones on male hormones like testosterone or estrogen. • A 2022 meta-analysis showed soy isoflavones had a protective effect against breast cancer in both pre- and post-menopausal women. • A 2019 review found no significant changes in thyroid hormone levels from soy intake. • Another 2019 analysis even linked higher soy isoflavone intake with a 10% lower ris