Sterling silver contains 92.5% silver. The rest is copper or some other metal. It is used for jewellery and silver tableware, where appearance is important. Silver is used to make mirrors, as it is the best reflector of visible light known, although it does tarnish with time.
There are three types of pancreatic tumors. Insulinoma: This is a rare type of pancreatic tumor that secretes insulin, which lowers the levels of sugar in the blood. Research indicates that only 10% of insulinomas are cancerous. Surgery is the only option for survival of insulinoma and 90% success rate is assured.
Often, the cause of pancreatic cancer is not known. However, the following factors may raise a personâs risk of developing pancreatic cancer: Age. The risk of developing pancreatic cancer increases with age. Most people who develop pancreatic cancer are older than 45. In fact, 90% are older than 55 and 70% are older than 65. However, adults of any age can be diagnosed with pancreatic cancer. Gender. More men are diagnosed with pancreatic cancer than women (see Statistics). Race/ethnicity. Black people are more likely than Asian, Hispanic, or white people to develop pancreatic cancer.