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.
Mysterious mutations. Topping the worst-case scenario list for most flu experts is a pandemic of H5N1, the bird flu which has killed about six in 10 people who have gotten itâa total of at least 550 people since 2003âand has laid to waste hundreds of millions of domestic fowl and wild birds.