Although many studies have shown that there are trade-offs between longevity and
reproduction, whether such trade-offs exist in humans has been a matter of debate [1, 2]. In
many species, including humans, males live shorter than females, which could be due to ...

... from the simpler invertebrate to the more complex vertebrate forms, the lifespan in males ... III.
STATUS OF THE EUNUCH Castrate men are excellent subjects in whom to study the ... in which
closure occurs normally during adolescence but is delayed in eunuchs; these epiphyses ...

... Why do the two sexes have different lifespans and rates of aging? ... A recent study further explored
this issue by analyzing data on lifespan of eunuchs in Korean Imperial court [79]. Eunuchs lived
14.4-19.1 years longer that non-eunuchs of similar status [79]. ...

... Fig. 1. Time interval in years between the last observation of a eunuch and the time
of his reported death. ... Gerontology 2016; 62:40-46. Min KJ, Lee CK, Park HN: The
lifespan of Korean eunuchs. Curr Biol 2012;22:R792-R793. ...

... Studies in two different populations have shown that eunuchs live longer than their intact male
counterparts [40 ... sterilization status as a straight yes/no response, and that right-censored lifespans
from retrospective studies underestimate population lifespan [43], [44]. ...

... sexual characteristics in men increased reproductive success earlier in life, but shortened lifespan. ...
to androgens appears more likely given a recent report of exceptional longevity in eunuchs. ...
Keywords: aging, eunuch, evolution, gender gap, menopause, polygyny, testosterone. ...

... E-mail: James.Mohler{at}RoswellPark.org. Next Section. Abstract. Background: Eunuchs rarely,
if ever, develop prostate cancer (CaP). This article reports on a 62-year-old functional eunuch
from prepubertal mumps orchitis who developed clinically localized CaP. ...

... It has been well documented in the literature that castrated animals may have different lifespans
than non-castrated mates [26]. A group of researchers in Korea were able to use historic records
from the 1500s to determine the lifespan of eunuchs and compare it to that of the ...

... There is no evidence that castration significantly affects male lifespan (Wilson and Roehrborn,
1999). ... tombs marked as interments of Ming Dynasty (1368–1644 AD) palace eunuchs based
on the ... Among these eunuch burials, the two studied in this paper include one eunuch we ...

... In countries of the Middle East and Far East it was most often done to provide eunuchs as
guardians of the harems, and the practice persisted until the present century; the last eunuch
of the Chinese imperial court ... The effect of castration on lifespan has been debated. ...