About 50 percent of men in their 50s and 60s have microscopic prostate cancers, and virtually 100 percent of us, by the time we reach our 70s, will have microscopic cancers growing in our thyroid.
大约50%的五，六十岁的男性 有微型的前列腺“癌“。 实际上当我们到70多岁的时候， 我们100% 都会有微型的甲状腺“癌症“。