(5 mins) Transcript. Dr Greger's summary: "One reason why soy consumption is associated with improved survival and lower recurrence rates in breast cancer patients may be because soy phytonutrients appear to improve the expression of tumor-suppressing BRCA genes."

(5 mins) Transcript. Dr Greger's summary: "What role do soy phytoestrogens play in the prevention and treatment of breast cancer?"

(4 mins) Transcript. Dr Greger's summary: "What happens to hormone levels in women and men randomized to drink soy milk?"

(5 mins) Transcript. Dr Greger's summary: "The hormonal effects of the Roundup pesticide on GMO soy put into perspective."

(3 mins) Transcript. Dr Greger's summary: "Which dietary changes could reduce free radical damage and also improve DNA repair in women with mutated BRCA genes?"

(2 mins) Transcript. Dr Greger's summary: "All three human studies on soy and breast cancer survival suggest that soy in sufficient amounts may improve survival in women diagnosed with breast cancer."

(1 min) Transcript. Dr Greger's summary: "To prevent a recurrence, should breast cancer survivors on Tamoxifen seek, or snub, soy?"

(3 mins) Transcript. Dr Greger's summary: "Mushrooms, green tea, and soy consumption may decrease breast cancer risk, but how many mushrooms, how much green tea, and what’s the best soy strategy?"

(3 mins) Transcript. Dr Greger's summary: "Should women with estrogen-receptor positive breast cancer avoid soy foods?"

(2 mins) Transcript. Dr Greger's summary: "While animal proteins increase levels of the cancer-promoting growth hormone IGF-1, and most plant proteins bring levels down, 'high quality' plant proteins, such as soy, may not significantly affect levels in either direction. This, however, may depend on the quantity consumed."