Marfan syndrome is an inherited condition that involves the connective bone tissue. The main job of the connective bone tissue is to keep the joints in place.  But when someone has Marfan syndrome, this tissue becomes very soft and does not work properly. Because connective bone tissue is found all throughout the body, the condition can affect almost any part of the body.    

Marfan syndrome affects men, women and children. It has been found in almost every race, but it is prominent in people with ethnic backgrounds. Doctors studying this condition have estimated that one person in every 5,000 people in the United States has this disorder.