US health insurance

Over at Overcoming Bias, they're talking about a RAND study "where from 1974 to 1982 the US government spent $50 million to randomly assign 7700 people in six US cities to three to five years each of either free or not free medicine, provided by the same set of doctors. The plan was to compare five measures of general health, and also 23 physiologic health measures."

Sound interesting? Read the two posts here and here.