I really thought I'd read something about 'when it's hot you're sipping more than gulping, so you're swallowing more often and swallowing starts some muscle mec

I really thought I'd read something about 'when it's hot you're sipping more than gulping, so you're swallowing more often and swallowing starts some muscle mechanics chain that helps your intestines push food out'. Similar to feeling you need to go when you've started eating. Reading the article and all the comments about HN's bowel movements on a variety of stimulants, I guess I misunderstood or it was disproved...