Eggs, whole grain rice, bluefish, and walnuts help the respiratory system to function, Report says, citing La Vanguardia.
Spanish doctors said as the lungs' condition worsen, they need more protein, like vitamin A, which is found in eggs. Tomatoes containing vitamin C and whole-grain dairy products and water have a positive effect on the body.
According to Spanish experts, besides proper nutrition, uninterrupted sleep, and physical activity are also essential factors.