Glossary

cancer

Cancer develops when a body cell divides uncontrollably and displaces healthy tissue. It is one of the most frequent causes of death. Different factors like cigarette smoking, certain chemicals, and exposure to UV light are associated with the development of cancer and are thus considered carcinogenic. Certain viruses, like papillomavirus, can also be triggers. Cell culture exploits the fact that cancer cells don’t die. See HeLa cells.

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