Nuts are rich in protein, dietary fiber and healthy fats. Nuts – such as peanuts, cashews, almonds, pistachios, walnuts and pecans – are high in calories. One ounce of peanuts contains about 160 calories, according to the U.S. Department of Agriculture. High-calorie diets often lead to weight gain and obesity.
Olives good for
Around 80 percent of the calories in olives come from fat. But the type of fat they contain is a healthy fat. One of the main fats in olives is oleic acid, a monounsaturated fatty acid. Studies have found that oleic acid may have a protective effect when it comes to cancer and maintaining good heart health.