What aspect of health does the treatment of heart disease using adult stem cells aim to improve?

The treatment of heart disease using adult stem cells primarily aims to improve cardiac function. This is because heart disease often leads to a decline in the heart's ability to pump blood efficiently, resulting in various complications such as heart failure. Adult stem cells have the potential to repair damaged heart tissue, promote regeneration, and enhance overall cardiac performance. By addressing the underlying issues related to heart tissue damage, these treatments can help restore the heart's structure and function, thereby improving the patient's quality of life and reducing symptoms associated with heart disease.

The other options, while they may be of concern in the context of heart disease, do not directly pertain to the primary goals of stem cell therapy for cardiac conditions. For instance, blood pressure can be influenced by a variety of factors, but the use of stem cells is more focused on repairing the heart muscle and improving its performance rather than directly controlling blood pressure. Similarly, pulmonary function and neurological function are not the direct objectives of stem cell therapy for heart disease; they are related to other health issues that may be influenced by overall cardiovascular health but are not the main focus of such treatments.