Tamoxifen is used to treat breast cancer that has spread to other parts of the body (metastatic breast cancer), to treat breast cancer in certain patients after surgery and radiation therapy, and to reduce the chances of breast cancer in high-risk patients. This medication can block the growth of breast cancer.
The third-deadliest species for humans are snakes, which are responsible for 50,000 deaths every year. Nearly ten times as many people meet their deaths at the hands of other people, totaling 475,000 annual fatalities. Mosquitoes are the world's number one killer, according to the 58-year-old philanthropist.
1 Heart disease (which includes Heart Disease, Stroke and other Cardiovascular Diseases) is the No. 1 cause of death in the United States, killing nearly 787,000 people alone in 2011.eart Disease Facts. Heart disease is the number one cause of death for both men and women in the United States. It is an equal opportunity killer which claims approximately 1 million lives annually.