From the Washington Post:
A new analysis by the Kaiser Family Foundation has found out-of-pocket health-care costs for Medicare beneficiaries are likely to take up half of their average Social Security income by 2030. ...\
[I]n 2013, among all Medicare beneficiaries, average out-of-pocket health-related expenses consumed 41 percent of the average Social Security income, according to a report made available exclusively to The Washington Post.
"This is substantially higher than the share reported by the Medicare actuaries for the same year (23 percent) because it takes into account the full array of out-of-pocket health expenses that people on Medicare face," according to the report. ...