Blueberries and other purple fruits to ward off Alzheimer's, Multiple Sclerosis and Parkinson's - Science Daily, 12/7/10 - Eating purple fruits such as blueberries and drinking green tea can help ward off diseases including Alzheimer's, Multiple Sclerosis and Parkinson's ... the majority of debilitating illnesses are in part caused by poorly-bound iron which causes the production of dangerous tox