UTHealth Houston May 11 2025 When Jessica Johnson, 36, began to experience labored breathing and heart palpitations, she quickly made an appointment to see a cardiologist. A CT scan showed she had two aortic aneurysms that could potentially require surgery. As a child, Jessica was diagnosed with Marfan syndrome – a rare genetic disorder that affects the connective tissue in the body and can impact various systems, including the skeletal, cardiovascular, and ocular systems. But until then, she