這個有點爭議。。。

"Causes and symptoms of Thrombosed hemorrhoid

Reasons for the formation of blood clots in hemorrhoids diverse. It can be physical exertion – weight lifting, pregnancy or childbirth, as well as diarrhea, constipation, hypothermia and even alcohol abuse. In addition, for unpleasant consequences can result sedentary lifestyle work-related (pilots and drivers), or some sports – weightlifting, cycling, horseback riding."

所有跟帖： 

• 親眼所見，牧區人人騎馬，體委自行車隊，未聽說痔瘡肛裂流行，機關公司沙發藤椅， -coach1960- ♂ (38 bytes) () 09/08/2015 postreply 20:20:37

• 久坐是不好，但騎馬運動員年輕，機關幹部年紀大些，是不是也有關係呢？ -吃與活- ♂ (0 bytes) () 09/08/2015 postreply 20:53:09

• 歸根結底還是缺乏運動的富貴病，要從源頭就開始預防才行 -coach1960- ♂ (0 bytes) () 09/08/2015 postreply 21:41:47