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As flu season heightens, registered dietitians advise prioritizing a balanced diet of nutrient-dense foods to support the immune system.
The immune system is directly connected to the gut, meaning that consuming the right nutrients can positively affect both.
Erin Palinski-Wade, a New Jersey-based registered dietitian, told Fox News Digital that a lack of fiber, fermented foods, or other key nutrients can create an imbalance in the gut environment, which in turn impacts immune function.
The Centers for Disease Control and Prevention estimated that there were 51 million flu-related illnesses during the 2024-25 flu season.
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