You may reduce your chances of having Alzheimers by a huge 42%. Columbia University researchers found when they analyzed the diets of nearly 2,200 adults over 65 some amazing statistics. Those who meal plans included the higest intake of produce, especially leafy greens, tomatoes and cruciferous vegetables like broccoli and cauliflower, plus fish, nuts and vinaigrette type salad dressing, with only small amounts of full fat dairy products, cut their odds of Alzheimers by 42%. But listen to this: even people whose diets were in the middle, not the worst but a little less healthy, lowered their odds by 23%.