If you’ve ever thought about hormone therapy but immediately felt a wave of fear—because you were told it causes cancer—you’re not alone. One of the most common things I hear from women is: “I was told I can’t do hormones because of breast cancer,” Or, “My doctor said hormones are dangerous—especially with my family history.”

Methylation is basically your body adding a small chemical group (one carbon + three hydrogens = a “methyl group”) to another molecule. Sounds tiny. But that little shift can completely change how your body functions.