Patients report various problems related to gastrointestinal issues. Under this word pair, the doctors mean issues connected with the health of abdomen, stomach, and bowel movements. Diarrhea happens due to many reasons. One of them is the need of magnesium which appears to be lacking in the organism. As a result, people face such challenges as nausea and vomiting feeling they cannot resist. It is logical they do not have a desire to eat.