(Hint, its not)
Take a look at the graph in the link below, if nothing else. It will show you that HC costs have increased by a function of avg salary, but that trend was started long before Obama.
Yes, the cost of HC has increased. Exponentially?! Do you know what that word means?
https://www.forbes.com/sites/theapothecary/2014/09/15/growing-burden-of-employer-provider-health-care-has-accelerated-under-obamacare/#1ba969d9481b