
Many of these boys were castrated by a common accident at the time — they were castrated by dogs. Some were castrated to gain entrance in the palace. Both groups lived substantially longer.
Of the 81 eunuchs studied, three lived to age 100 or more and the incidence of centenarians was 130 times greater than developed countries.
By the way, the shortest life expectancy was found among the Korean Royal males.
Source: Daily Mail
