Thanks to their high nutritional value and long storage life, pistachios are an ideal snack to have in your pantry. They are filled with essential nutrients and have a number of health benefits, helping you to control your body weight and lowering your risk for heart problems. Pistachios can help keep the heart healthy and help fight cell damage caused by free radicals in your body. Most of the fat in pistachios is the healthy unsaturated type. Snacking on pistachios may help lower your cholesterol.