The document discusses major problems facing the US health care system and reforms under the Patient Protection and Affordable Care Act (ACA). It notes that prior to the ACA, nearly 50 million Americans were uninsured, costs were rising faster than other countries, and government programs like Medicare and Medicaid accounted for over half of all health care spending. The ACA aims to expand coverage, eliminate limits on plans, cover pre-existing conditions, and create health insurance marketplaces or exchanges. However, shortfalls remain like individuals and businesses still preferring lower costs. Recommendations include raising penalties in the individual mandate and making the exchanges function more like a real market.