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4. Kale

Kale has become a popular health food over recent years, and for good reason. This leafy green vegetable is high in vitamin C, K, and beta-carotene. Like spinach, it also contains lutein and zeaxanthin, which support eye health, as well as other antioxidants that protect the body from oxidative stress. Kale is thought to be beneficial to heart health as it has the potential to lower cholesterol, reducing the risk of coronary heart disease.

Kale Salad with Lemon Dressing Candice Bell/ Getty Images

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This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.