Put another way, a bit is either an 'on' or an 'off' which is processed by a computer processor, we represent 'on' as '1' and 'off' as '0'.
In this section you can learn more about the known causes of cancer, including genetic factors; lifestyle factors such as tobacco use, diet, and physical activity; certain types of infections; and environmental exposures to different types of chemicals and radiation.
The most common causes of cancer death are cancers of: 1  Lung (1.69 million deaths) 2  Liver (788 000 deaths) 3  Colorectal (774 000 deaths)  Stomach (754 000 1  deaths) Breast (571 000 deaths)