Gravity is ever present and in a recent journal article, it mentioned how gravity might be the cause of certain GI related issues such as Irritable Bowel. Ultimately what this means is that the brain and nerve system are unable to accommodate gravity's ever-present 'caudal pull' and dysfunction occurs. The dysfunction is in the brain and nerve system but its effects are noticed at the GI level. Hmm...
Article found here: https://journals.lww.com/ajg/fulltext/2022/12000/gravity_and_the_gut__a_hypothesis_of_irritable.15.aspx