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The topic is called Peto's paradox, you can find references to studies on the wiki page, here's a summary: A rat cell is more likely to get cancer than an elephant cell in the same time span. Mice have cancers in 2 years as often as humans have in 60 years. Studies find that 4 ton elephants have only 4 times more blood cells than a 12 gram shrew. They ...


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Their arguments for increased telomere length in lab mice are: Rate of tumour formation is dependent on the number of cells within an organism. Additionally, tumours take time to form. Therefore, small animals that only need to reproduce early in life, like lab mice, are less prone to tumours and there is then less selective pressure favouring telomere ...


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