Zvirwere zvinogona kunge zvakambove masero madiki aishungurudza maseru makuru. Nekufamba kwenguva, majini asingadiwe nehutachiona hwavo akarasika. Mabhakitiriya rickettsia uye chlamydia masero ehupenyu ayo, kufanana nemavhairasi, anogona kubereka mukati memasero anogamuchira. Vanopa rutsigiro kune iyi fungidziro, sezvo kuvimba kwavo nehutachiona kungave kwakakonzera kurasikirwa kwemajini akavabvumidza kuti vararame kunze kwesero. Izvi zvinonziwo degeneration hypothesis, kana kudzikisira hypothesis. Mubvunzo: Chii chaive fungidziro yavo?
kudyidzana