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Here is an interesting (though lengthy) article about causes of aging, which lead to decay and death. However some mammals, like whales, can delay aging and live to 200 years. How does this happen?

I was surprised to read that “…a huge body also puts you at enormous risk of cancer, thanks to simple mathematics: the more cells you have, the more likely you are to develop a harmful mutation. (Indeed, one study found that taller people are slightly more likely to develop cancer than shorter people, for this very reason.) And the problems become even greater the longer your life span. “When you live longer, you go through more (cell) divisions, so the likelihood of cancer increases hugely,” says Leonard Nunney at the University of California, Riverside, who researches the evolution of cancer.”

Who’d have guessed? Maybe this is one reason some Asian cultures have lower rates of cancer than Western people. Of course diet could also play a major role.

Interesting to think about, even if you can’t make yourself shorter!