A new study published in The American Journal of Clinical Nutrition has found that eating pistachios may help lower levels of bad cholesterol. For the study, researchers recruited 28 adults who had high levels of bad (LDL) cholesterol and had them eat three different diets for one month each. The first was a low-fat diet without pistachios, the second was a healthy diet with one daily serving of pistachios, and the third was the healthy diet with two daily servings of pistachios. investigators...