Ka taƙaita labarin:  Testosterone. daga Joe Herbert. (OUP £ 16.99) Testosterone ba koyaushe yana samun kyakkyawan latsa ba. Duk abin da ba shi da kyau game da halayyar namiji an danganta shi da tasirin wannan mummunan hormone. Zalunci ne? Duk laifin testosterone ne. Cin zarafin jima'i da kuma fyade? Kawai ka zargi testosterone. Duk da haka, kamar yadda Joe Herbert ya bayyana a cikin ziyararsa mai ban sha'awa game da kimiyyar da ke kewaye da ita, testosterone ita ce tushen rayuwar mutum. "Ba tare da testosterone na mahaifinmu ba", kamar yadda ya rubuta, "babu wani daga cikinmu da zai wanzu". Yana da muhimmiyar aiki guda ɗaya kawai <unk> don bawa namiji damar haifuwa, kuma don wannan yana da mahimmanci. Ko da yake wannan shi ne yanayin da kuma shi ne ba zai yiwu ba su yi tunani na "masculinity" ba tare da testosterone, shi ne kuma da muhimmanci ga jima'i hali a cikin mata. Jinin mace da ta manyanta kafin ta daina haila a zahiri yana ɗauke da sinadarin testosterone sau biyar fiye da na estrogen, wanda ake gani shi ne "hormone na mace". Koyaya, a matsayin kwatancen namiji ne aka fi sanin testosterone. Duk abin da ba shi da kyau game da halayyar namiji ana danganta shi da testosterone, duk da haka kamar yadda Joe Herbert ya bayyana, testosterone shine zuciyar rayuwar ɗan adam. Yana fara tasirinsa a cikin mahaifa yayin da yake taimakawa wajen tsara halaye na musamman na jikin namiji. Wannan tasirin ya ci gaba nan da nan bayan haihuwa. Wannan jariri ɗan wata uku, yana murmushi a gare ka daga kekensa, yana iya samun matakan testosterone da ya yi daidai da na mahaifinsa. Ba mu san dalilin ba, amma, farawa makonni biyu bayan haihuwa kuma yana da tsawon watanni hudu zuwa shida, ƙwayoyin jaririn suna samar da testosterone a cikin adadi mai yawa. Hormone's iko sa'an nan ya koma baya, amma ya dawo <unk> da kuma yadda! <unk> a lokacin balaga. Bayan balaga, kwayoyin testosterone ne ke sa mata su yi gasa. A cikin duniyar dabbobi, dabbobi suna kulle ƙaho, giwaye suna shiga cikin halin da ake kira musth da kuma rhinoceros namiji suna shiga ƙaho zuwa ƙaho. Har ma da namiji giraffe, wanda tasirin hormone ya motsa, suna yin wasa da juna da wuyansu masu tsayi. Wasu nau'in suna da launuka masu launi, waɗanda aka tsara don jaddada namiji da kuma jawo hankalin mata. A cikin guenon...
Kwayar halittar namiji testosterone ba koyaushe take samun kyakkyawan latsawa ba. Duk abin da ba shi da kyau game da halayyar namiji ana danganta shi da hormone. Duk da haka, kamar yadda Joe Herbert ya bayyana, testosterone shine zuciyar rayuwar mutum.