It can make someone have cancer and liver failure
Abdominocentesis<span> ab·dom·i·no·cen·te·sis (āb-dŏm'ə-nō-sěn-tē'sĭs) n. Surgical puncture of the abdomen by a needle to withdraw fluid; abdominal paracentesis. Also called celiocentesis , celioparacentesis . The American Heritage® Stedman's Medical Dictionary.</span>
Cardiovascular System
In addition, the blood vessels that direct blood to the large muscles and the heart dilate, thereby increasing the amount of blood pumped to these parts of the body and elevating blood pressure. ... This long-term ongoing stress can increase the risk for hypertension, heart attack or stroke.
I believe you are talking about introverts, but I dont completely understand your question...