The researchers say that breast - feeding could be the equivalent of taking the drug tamoxifen for 5 years, which is a well - known way to cut breast cancer risk in women with a family history of the disease. (health.com)
This rate compares favorably with hormonal treatments such as tamoxifen given as a preventive measure to women at high risk for breast cancer. (mindbodygreen.com)
It's also useful to assess the effectiveness of Tamoxifen on an individual. (sciencedaily.com)