It's Not Just in Your Head — These Are the Physical Symptoms of Anxiety

This is a common symptom of anxiety: that uncomfortable feeling in your stomach that comes along with nerves and is associated with the fight-or-flight response, explained Brian Cassmassi, MD, licensed psychiatrist in Los Angeles. There is actually a powerful gut-brain connection — your brain has a direct effect on the stomach and intestines, including how feelings of anxiety can lead to stomachaches and GI issues.