All of it, from medical treatment to soldiers being sent to defend your right to life, liberty and the pursuit of happiness and  medical treatment cost money.  Jesus could heal the sick free of charge, so could the 12 Apostles.  Doctors today don't have that power. They charge for their services, just like the mechanic who repairs your car or the barber who cuts your hair. 
Food is necessary for life  and we pay farmers to grow it and people to harvest it and move it to market. Then there are all the grocers who refrigerate it, stock it.  Inspectors who make sure it passes the grade.  That all costs money. Nothing is 'free'
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We pay taxes for the police and fire protection. So you want to pay higher taxes to provide everyone with medical care?  How much are you willing to put up each week for your neighbors  healthcare? $100, $200 maybe or even higher?  My employer pays $900 bucks a month and I pay $200.  Do you expect the government, that is in debt over $20 trillion to do it? Really?