The health benefits of pistachios include a healthy heart , weight management, protection against diabetes and hypertension, and improved digestion . The vitamins , minerals , fats, and protein found in pistachio are all good for health. What Are Pistachios? Pistachios are one of the oldest edible nuts and are commonly used all over the world. They are native to Asia, particularly Iran and Iraq. Archaeological evidence dates the association of pistachios and man as early as 6,000 BC. They were cultivated in Iran, Iraq, and Syria and were introduced to the Romans only in 100 AD. Today, apart from Iran, Iraq, and Syria, pistachios are being produced in many countries such as the United States, Australia, Turkey, and China, among others. Pistachio nuts belong to the Anacardiaceae family from the genus Pistacia . A pistachio tree takes about 10 to 12 years to produce the first crop. They are d...