Fred Harteis Health News - Getting a lot of exercise may help slow brain shrinkage in people with early Alzheimer's disease, a preliminary study suggests. Analysis found that participants who were more physically fit had less brain shrinkage than less-fit participants. However, they didn't do significantly better on tests for mental performance.

That was a surprise, but maybe the study had too few patients to make an effect show up in the statistical analysis, said Dr. Jeffrey Burns, one of the study's authors.

He also stressed that the work is ...   more »