The problem with giving people more money to stimulate demand for those things is that it only solves half of the problem. Healthcare is limited by the supply of doctors so no matter how much government subsidizes it, the amount of people who can be seen by the constant number of doctors will be the same. In practice, this means the price will increase every time you try to give people more money for healthcare.
Housing is similar in that even if you give people money for new houses, everyone wants their house to be in a nice location and there are only so many houses that can fit in a constant amount of desirable real estate.
Without reforms to medical school and medical residency programs, healthcare might never be affordable. Without reforms to zoning laws, housing might never be affordable.
Without at least allowing for an increase to the supply of nice things, increasing the demand of nice things won't be very helpful.