In health news...treating aging baby boomers is costing hospitals more money than expected.A new federal report shows hospitals spent about 56 billion dollars in 2007 caring for baby boomers between the ages of 55 and 64.Researchers say the numbers are roughly equal to the amount of hospital care spent on people ten years older.According to the study - baby boomers were 2-to-3 times more likely than 45 to 54 year olds to be hospitalized for ailments such as stroke, respiratory failure and congestive heart failure... As well as undergo knee and hip replacements.The statistics were compiled by the agency for health care research.