Alzheimer's disease is the seventh leading cause of death in American adults and affects an estimated 4.5 million Americans and 8 million more people world wide. Alzheimer's is most prevalent in people over 65 years old. Studies have also shown that elderly women have a much higher risk for Alzheimer's disease than men due to a drop in estrogen after menopause.
A study published in Neurology has found that people with high levels of cynical distrust--a belief that people are mainly motivated by selfishness--are more likely to develop dementia. A total of 1,449 people with an average age of 71 completed a questionnaire to measure their level of cynicism. Of those, 622 took two tests for dementia…