Weekly Health Quiz: Vegetables, Plastic and Sleep

1 Vegetables have been shown to boost heart health through a number of different mechanisms. Which of the following veggies are known to protect your heart by increasing the nitric oxide level in your body?

• Leafy greens and watermelon

  The more vegetables you eat, the lower your risk of heart disease, in part by boosting your nitric oxide level (NO). Leafy greens have high amounts of nitrates that naturally boost NO, while watermelon contains NO-boosting L-citrulline. Learn more.

• Cruciferous vegetables
• Fermented vegetables
• Onions