 If I had to guess, I'd probably say diet. But in my case, nobody in my family had breast cancer. And I was hormone receptor positive. So then I looked at my doctor. My next question was, I said, okay, I've already had the complete hysterectomy. So how am I hormone receptor positive? It's for estrogen. He said, well, it's in your hair. It's in your skin. It's in your fat cells. And I said,