How many types of common cancers are listed?
Ten. Relevant NCI Web site: Types of Cancer • Among the causes of lung cancer, in addition to smoking, there is a radioactive gas and a mineral listed. Name them. Answer: Radon is the radiactive gas and asbestos is the mineral. Radon is an invisible, odorless, and tasteless radioactive gas that occurs naturally in soil and rocks. It can cause damage to the lungs that may lead to lung cancer. People who work in mines may be exposed to radon, and, in some parts of the country, radon is found in houses. Asbestos is the name of a group of minerals that occur naturally as fibers and are used in certain industries. Asbestos fibers tend to break easily into particles that can float in the air and stick to clothes. When the particles are inhaled, they can lodge in the lungs, damaging cells and increasing the risk for lung cancer. Relevant NCI Web site: Understanding Lung Cancer • A lymphoma is a cancer that originates in what human system? What are some parts of this system? Answer: Lymphatic
