Bahram H. Advancing Exercise and Nutrition Research on Aging at Florida State University. He is investigate the effect of apple and prunes on lowers bad cholesterol. By him divided 160 women between the ages of 45 and 65 into two groups. One group ate 75 grams of dried apple per day about 2 1/2 ounces. While the other ate the same amount of dried prunes and found that the women who ate apples experienced a 23 percent decrease in LDL “bad” cholesterol, and increased their HDL “good” cholesterol by 3 percent to 4 percent a boost difficult to achieve with drugs or exercise. And the women who ate the dried prunes experienced no such effects their cholesterol, although another study found that women who ate 10 prunes per day, while taking calcium and vitamin D supplements, had higher bone density in their forearms and spine than women who ate apples. So apples work magic on bad cholesterol.apples raises good cholesterol, lowers bad cholesterol and contributes to weight loos.