Many families describe the same experience. Mom went into the hospital for a fall, an infection or a planned procedure. She was forgetful, but she knew everyone and could manage her day with a little help. A week later she comes home confused, restless at night and unsure where the bathroom is. It is natural to wonder whether the dementia suddenly took a big step forward. Sometimes it has. Often, though, a mix of temporary factors is at work, and some of them can ease with time and the right…