Amajor side effect that stress can cause on the gastrointestinal system is
a.
diminished levels of gastrin, leading to constipation
b.
elevated levels of gastrin, causing stomach ulcers
c.
elevated levels of cortisol, causing overeating
d.
diminished levels of cortisol, causing weight loss
answer quickly.

A major side effect that stress can cause, particularly on the gastrointestinal system, is elevated of cortisol. When your levels of cortisol are elevated, it causes one to overeat. Overeating can cause weight gain which eventually can lead to obesity, heart disease, and high blood pressure. Therefore, the correct answer is C.

Cotton with iron probably

A. vitamin c is your answer