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cancer

/cancer-quotes-and-sayings

434 Quotes

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The cancer page groups 434 quotes under one canonical topic hub so readers and answer engines can cite a stable source instead of fragmented search results.

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They also knew that there was a string of DNA at the end of each chromosome called a telomere, which shortened a tiny bit each time a cell divided, like time ticking off a clock. As normal cells go through life, their telomeres shorten with each division until they__e almost gone. Then they stop dividing and begin to die. This process correlates with the age of a person: the older we are, the shorter our telomeres, and the fewer times our cells have left to divide before they die. By the early nineties, a scientist at Yale had used HeLa to discover that human cancer cells contain an enzyme called telomerase that rebuilds their telomeres. The presence of telomerase meant cells could keep regenerating their telomeres indefinitely. This explained the mechanics of HeLa__ immortality: telomerase constantly rewound the ticking clock at the end of Henrietta__ chromosomes so they never grew old and never died.

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Rebecca Skloot

The Immortal Life of Henrietta Lacks

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It's really going to happen. I really won't ever go back to school. Not ever. I'll never be famous or leave anything worthwhile behind. I'll never go to college or have a job. I won't see my brother grow up. I won't travel, never earn money, never drive, never fall in love or leave home or get my own house.It's really, really true.A thought stabs up, growing from my toes and ripping through me, until it stifles everything else and becomes the only thing I'm thinking. It fills me up like a silent scream.

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Jenny Downham

Before I Die