| Cancer causes may differ depending on the type. | | | | compound into more severe errors. Errors that |
| Any organism including plants can develop cancer. | | | | produce more errors are the root cause. |
| Cells that replicate, suffer from errors and this causes | | | | If for example there were 9000 cancerous cells and |
| mutations. Unless proper prevention is carried out, the | | | | one kills all but 10 of these cells, these cells could still |
| errors will survive and might be passed along to | | | | replicate and start the process all over again. This is |
| daughter cells. The body normally safeguards against | | | | an undesirable phenomenon of survival of the fittest |
| diseases such as cancer through apoptosis, | | | | where the forces of evolution work against the |
| senescence among other processes. Often this error | | | | body’s design and enforcement order .Once |
| correction methods fail especially in environments | | | | cancer has begun to develop, the same forces |
| that make the errors more likely to propagate. One | | | | continue to push the progression of the disease into |
| such is an environment that has disruptive substances | | | | an advanced stage. This is called clonal evolution. |
| called carcinogens. | | | | Radon gas which is a source of ionizing radiation and |
| Mutagens are substances that cause DNA mutations. | | | | prolonged exposure to ultraviolet radiation are other |
| Mutagens that cause cancers are known as | | | | cancer causes. Non-ionizing radio frequency radiation |
| carcinogens. Tobacco smoking and prolonged | | | | from devices such as mobile phones and other |
| exposure to asbestos fibers are other causes. Cancer | | | | sources have been suggested to cause cancer but |
| is a progressive disease because the errors slowly | | | | there is very little evidence to support this claim. |
| accumulate until such a time when the cells begin to | | | | Cancer can also be as a result of viral or bacterial |
| act contrary to their bodily functions. Cancer | | | | infection. |
| development is like a chain reaction. A few errors | | | | |