The Illinois-based Loyola University Health System announced it will cut more than 440 jobs, or about 8% of its work force, amid the recession and an economic downturn causing an influx of patients who cannot pay their medical bills. For example, the number of patients who cannot pay their bills has increased by 73% the medical center's expenses on charity care to $31.3 million from $18.1 million for the nine-month period that ended March 31.