Actually, buasir is very prevalent among chinese community. i remember reading some health report somewhere many years ago that stated this.

i remember it was something related to genetics, although i can no longer recall the whole of the article.

anyway bowel movement, cannot say we can shit whenever we want to apa. no matter how you exert if there is nothing to exert oso useless apa.

hardcopy lor... more than a decade ago. i used to work in retail pharmacy and it was in one of staff training sessions punya reading material.