As many as 91 percent of the US population picks their noses from time to time. Picking your nose is unsightly — but it may also raise your risk of dementia. Scientists claim, the research that has been done indicates nose picking is 'a significant risk factor for developing Alzheimer's disease. Why?Dr. Bob Martin – answers callers health questionsHealth Alternative of the WeekHealth Outrage of the WeekProduct Recall of the WeekHealth Mystery of the Wee