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.
Viruses Are a Common Cause of Cancer. You may think of most viruses as the nuisance that causes the common cold, but some of these microorganisms do much more. In fact, it's thought that worldwide, roughly 20% of cancers are caused by viruses.