Several high-profile investigations probe health care issues. ProPublica reports on the costs and risks associated with dialysis: "In 1972, after a month of deliberation, Congress launched the nation's most ambitious experiment in universal health care: a change to the Social Security Act that granted comprehensive coverage under Medicare to virtually anyone diagnosed with kidney failure, regardless of age or income. ... Now, almost four decades later, a program once envisioned as a model for a national health care system has evolved into a hulking monster...
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