天癸至与竭的时间规律有着"女七"、"男八"的数理。男女"天癸竭"的"八八"、"七七"之期与男子前列腺癌、女子乳腺癌的高发年龄吻合。"天癸竭"时人体易产生内分泌紊乱、基因突变、自身免疫识别异常,这些给女子乳腺癌和男子前列腺癌的发生创造了条件。
Commencement and exhaustion of kidney of inborn essence has mathematical regulations of 'Female with seven ones and male with eight ones'. The exhaustion of inborn essence has met the age of highest incidence such as 'Male Prostatic cancer of 56 year-old' and 'Female breast cancer of 49 year-old'. During the exhaustion,human body is easy to have endocrine disturbance,genetic mutation,autoimmune abnormalities. All these create conditions for incidence of female breast cancer and male prostatic cancer.