Experts disagree at times over how much changes in the healthcare system have truly contributed to the improvements in health among Americans. All would agree that quicker access to medical care, improvements in trauma units, and other specialized units such as those for coronary neonatal care have saved and improved the quality of many lives. However, as we have just discussed, for those who live in poverty, or in rural or underserved communities, it is still very difficult for citizens to take advantage of these types of services. Currently, some 16% of Americans are uninsured making it very difficult to obtain needed medical services, which continue to rise in cost.