If actual an scientific white paper from PubMed with research and data does not convince you that coffee has a strong laxative effect on around 30% of people, then there's not much else to say.
There's still people who believe the world is flat despite all evidence to the contrary.
It's very difficult to have a discussion with someone who prefers their own opinions over science.
Your opinions have been voted down so many times this thread is filled with your dead comments and not a single person has vouched for you other than me. I can no longer vouch for you.
Also youre flame baiting which is a clear violation of HN policy. @dang
You probably need to take a class on improving your poor reasoning skills and as another poster said: seek mental health care.
It's very difficult to have a discussion with someone who prefers their own opinions over science.