Cancer is a devastating and potentially fatal disease that develops when healthy cells undergo a genetic change and begin to proliferate rapidly and uncontrollably. What happens to cause a cell to become cancerous? Thirty years ago, scientists could not offer a coherent answer to this question. They knew that cancer arose from cells that began to proliferate uncontrollably within the body, and they knew that chemicals, radiation, and viruses could trigger this change. But exactly how it happened was a mystery. Continue reading
3 stages of cancer development
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