A clinical trial done at the University of California-San Francisco, found that people who were anemic at the start of the 11-year study period ran a 40% higher risk of developing dementia than those without it. About 25% of people over the age of 65 are anemic and have decreased red blood cells and hemoglobin counts. When this occurs the body and brain are getting less oxygen. This is the first trial to link dementia with anemia. In the past reseachers have suggested a link between anemia and problems on thinking tests. Kristine Yaffe, a professor of psychiatry, neurology and epidemiology...