The fiber in a pear helps keep your heart healthy and might reduce your risk of certain types of cancer as well. A pear a day might also keep you from having a stroke. A 2011 article published by the American Heart Association reports that eating one pear a day can reduce your risk of stroke by as much as 52 percent. Pears might also cut your risk of dying from heart disease. A 2007 article published in the American Journal of Clinical Nutrition notes that the flavonoids in pears might lower your risk of heart disease, as well as death associated with heart disease.