One theory is that the isoflavones in soy behave like estrogen which fuels estrogen-positive cancer (which many breast cancers are), so the advice is to avoid soy.
OTOH, there are other theories that soy is protective against cancer. For now, I’ll continue to try to avoid it.
Tx ToT. I do know the theory but I avoided Tamoxifen and Soy like crazy.
That was eight years ago. If you can find somebody who does thermograms based on temperature readings, it is a better alternative to radiation.
These so called scientists get a ton of grant money based on “theory” and funding from aforementioned solutions.