A small group of scientists, including some in Philadelphia, has been bucking the research establishment for years by arguing that microbes might trigger the deadly form of dementia in older people.
Garth Ehrlich, a virologist at Drexel University College of Medicine, catalogs the various pathogens in the brain as part of an effort to explore what role germs might play in the development of Alzheimer's disease.Read moreAvi Steinhardt / For the Inquirer
