Cardiovascular disease is the No. 1 cause of death worldwide. Try these foods to strengthen your heart. 1. Seeds: Pumpkin, flax and chia seeds are packed with fiber to bind cholesterol and keep your arteries clear. 2. Fatty fish: Fatty fish, such as salmon, contains omega-3 fatty acids which decrease triglycerides and plaque buildup. 3. Pistachios: Pistachios have been shown to improve blood lipid levels and decrease bad cholesterol. 4. Green tea: Green tea is rich in antioxidants, which fight inflammation and lower the risk of strokes. 5. Spices: Turmeric and curcumin have anti-inflammatory properties. 6. Beet juice: Beet juice relaxes your blood vessels and lowers blood pressure. Amazing!