when was the last time you had hiccups? Exactly! You can't remember. Do we hiccup less as adults? Just a shower thought.
(www.vox.com)https://www.vox.com/2014/10/31/7086327/hiccups-rid-causes-why-cure-stop-treatment-scienceEven scientists are a little bewildered by this. "We still don't know what hiccups do, and our cure for them hasn't improved since Plato," says Robert Provine