Just as no two people possess the same genetic makeup, a recent study has shown that no two single tumor cells in breast cancer patients have an identical genome. (sciencedaily.com)
One study found an increased risk for breast cancer for women taking a drug related to testosterone (though not testosterone itself). (tctmed.com)
Cognitive behavioral therapy for insomnia, mindfulness, and yoga in patients with breast cancer with sleep disturbance: A literature review. (medicalnewstoday.com)