油管也是半真半假。韩国对数百年来太监的分析，发现他们寿命比同一社会阶层正常男性长 19 年。

https://www.bbc.com/news/health-19699266#:~:text=Castration%20had%20a%20huge%20effect,members%20of%20the%20royal%20family.