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提起癌症,我们很自然地就能联想到死亡,即使是在医疗技术已经很发达的今天。为什么有些人偏偏会得了癌症呢?一个成年人全身约有一千多万亿个细胞组成,细胞也有新生、老化、衰亡和不断更新的过程。人体每天有300~400万个细胞衰老死亡,代之以相等数量的新生细胞。细胞新生严格受控于遗传基因,生成形态和功能与上一代完全一致的细胞,保
When it comes to cancer, we are naturally reminded of death, even today, when medical technology is well developed. Why do some people get cancers? An adult has about a thousand trillion cells throughout its body. Cells also have newborn, aging, declining and constantly changing processes. Every day, 300 to 4 million cells in the human body die of aging, replacing them with an equal number of newborn cells. Cells are strictly controlled by the newborn gene, generating cells with exactly the same morphology and function as the previous generation