It can refer to the fatality rate â the number of deaths per number of cases â or it can mean the number of deaths in total caused by a disease. What's more, diseases can take a different toll in different parts of the world. In low-and middle-income countries, only limited medical care may be available, if that. This will raise the fatality rate for many infectious diseases, such as tuberculosis, malaria and infectious diarrhea.
Although you may still occasionally hear remarks such as âradon is a hoax!â or âsome radon is good for you,â there is no scientific doubt that exposure to high radon levels can cause lung cancer.lthough you may still occasionally hear remarks such as âradon is a hoax!â or âsome radon is good for you,â there is no scientific doubt that exposure to high radon levels can cause lung cancer.
Radon is a naturally occurring radioactive gas that is invisible, odorless, and tasteless. It comes from the radioactive decay of radium, an element found in most rocks and soils. Radon can enter a building from the ground underneath it, and concentrate to tens or even hundreds of times the level in outdoor air.