A member asked:

What is cancer? what exactly goes wrong?

A doctor has provided 1 answer

Immortal cells: The cells in our bodies are "programmed" to grow, divide a certain number of times and then die. Cancer cells lose their ability to die, and become "immortal". They will continue growing as long as they receive oxygen and nutrients. HeLa cells used today are from a cervical cancer of a patient who died over 60 year ago!

Answered 4/18/2016

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