Life is not a need or a natural right. Nature can continue to grind on regardless of what you think. It seems you think that having other people enforce a system that offers you guarantees is something you are automatically entitled to having -- how much security you get is dependent upon the resources of the larger group, just like all other rights.
Saying people don't need healthcare is like saying people don't need food. Whether a country's government should let people starve or die of cardiac arrest on the streets is another question, but I would say from a moral standpoint that it shouldn't.
No, nor is it a right. It's a luxury.