6. Blueberries

Blueberries contain a disease-preventing flavonoid and anthocyanin. A 2016 study found that flavonoids play a vital role in keeping the respiratory tract free of infections. The benefits of blueberries don’t stop there, however. Blueberries are also beneficial for heart health by reducing the risk factors for cardiovascular disease. 

5. Dark Chocolate

Eat Dark Chocolate

Chocolate isn’t just delicious, it’s also good for you. It’s not just any chocolate, however. Milk chocolate is high in fat and sugars, which negates any benefits chocolate might have. Dark chocolate, however, contains less fat and sugar and remains high in an antioxidant called theobromine

4. Spinach


Spinach, whether served as part of a salad or sauteed in a dish, helps to fortify the immune system through its high nutritional content:  

  • Flavonoids
  • Carotenoids
  • Vitamin C
  • Lutein
  • Vitamin E

Eating spinach also helps to keep the skin radiant and helps keep blood pressure low. 


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