"Can't there be change in concentration of ions in intestinal ion mechanisms due to taking of excess salt? Anyway, I have quoted above, another role of NaCl/KCl in stomach. More NaCl/KCl may mean more stomach acid. Can it cause craving for taking more food?"
I'm not a biochemist or physiologist! just an amateur nutrition student. Salts, NaCl in particular, cause food cravings in most people - that's as far as I'll go. It's up to you to take it further.
