Is free healthcare impossible? Labour has made turning the NHS around its most important mission. Some think its “kill or cure” approach might deal the service a mortal blow.
PM: NHS faces worst crisis in history

Glossary
National Health Service - The publicly funded healthcare system in the UK. The NHS was founded in 1948.
Tax - Money workers pay to the government to pay for services like roads and hospitals.
Funded - Money provided for a particular purpose.
Private sector - The section of the economy run by private individuals or groups, usually for profit. Their business decisions are free from state control.