Physical exercise would improve postural stability, which is an essential factor in preventing accidental fall among the elderly population. The aim of this study is to examine the effectiveness of treadmill walking on balance improvement among the elderly people. A total of 30 community dwelling older adults with a Berg Balance Scale score of 36-48 and the ability to walk without aid were cons...

Classic speculative bubbles are loud – price is high and so are price volatility and share turnover. The credit bubble of 2003-2007 is quiet – price is high but price volatility and share turnover are low. We develop a model, based on investor disagreement and short-sales constraints, that explains why credit bubbles are quieter than equity ones. Since debt up-side payoffs are bounded, debt is ...

Mrs Barnes is a chronically ill woman in her 50s who came to our intensive care unit after a bowel resection became complicated by infections. Her infections caused life-threatening dysfunction of multiple organ systems: she was on a ventilator, vasopressors, dialysis, and nutrition was administered through her vein. Every organ system that modern medicine can support artificially was being sup...