Some researchers from University College London have discovered that bigger animals, like elephants and whales, have evolved genes that help them resist cancer better than smaller animals. This means that despite having more cells that could develop cancer, larger animals actually have a lower risk of the disease. This finding challenges a long-standing idea called Peto’s paradox.
In their study of 263 species, the scientists found that for every 1% increase in body mass, there was only a small increase in cancer rate. This suggests that larger species have developed more ways to protect themselves against cancer over time. For example, elephants and whales have genetic adaptations that enhance DNA repair and prevent abnormal cell growth.
Understanding how these animals resist cancer could lead to new treatments for humans. By targeting specific biological pathways that protect against cancer in these animals, scientists hope to develop more effective therapies. These potential treatments could be highly promising because they are based on mechanisms that have evolved over millions of years.
Further research in this area could revolutionize cancer treatment and prevention, offering hope for the future.
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