Avocado. Next time you crave for a sandwich or salad, try replacing the mayonnaise and dressing with some of this. Studies show that daily intake of avocado results in improved blood cholesterol. It increases the level of good cholesterol that helps clean up obstructions. In addition, avocadoes are packed with vitamins and antioxidants. [Avocado Seeds: The Hidden Nutritional Powerhouse]
Broccoli. While broccoli may have many haters, if you want healthier arteries, then you should give it a try. Broccoli is rich in vitamin K, which helps prevent the hardening of arteries due to calcium build-up.