No one knows for sure what causes breast cancer to develop, although cancer stem cells (a kind of cell that has nothing to do with estrogen) are thought to play a role. Cancer causes are complex and related to many issues including inflammation, stress, exposure to radiation, viruses, chemicals, and other factors. 

I’ve been hearing about peptides in the longevity space for quite some time now. And while I don’t consider myself a peptide expert, I’m deeply invested in learning everything I can about tools that support not just our lifespan, but our healthspan, our ability to feel vibrant, strong, and mentally sharp as we age. Put first paragraph here