Eat a healthy snack to boost immune system function. During times of stress, or when you are exposed to environmental or infectious toxins, snack on these natural foods to build immunity. Adding goji berries, blueberries, pumpkin seeds, green tea, and a cup of yogurt can help boost your immune system. Foods such as pumpkin seeds help the body build more white blood cells, which enables the blood to cleanse itself from infectious agents, like bacteria and viruses. Simple snacks like a handful of blueberries or a cup of green tea can strengthen your immunity during the winter months and protect you from flu epidemics.
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