Stopping tumor growth is only half the battle. Rather than killing tumor cells, many cancer therapies can only push them into cellular senescence, a state in which cells stop dividing but do not die.

Cancer diagnoses directly affect treatment decisions and prognosis and can even have life-altering consequences.

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With a background in journalism and counseling, Penny Min blends analytical research with real-world insight to help readers make informed financial decisions. At Forbes Marketplace, she specializes ...