How to boost your immune system naturally

Do you want to know how to strengthen your immune system? First, it helps to understand how it works and why it’s important. The immune system is the body’s first line of defense against infection and disease. It fights everything from cold and flu viruses to serious illnesses like cancer.

“The immune system is a collection of cells, tissues, and organs that all work together to protect the body from viruses and bacteria,” says Registered Dietitian Caroline Passerrello, a spokesperson for the Academy of Nutrition and Dietetics (opens in new tab) and a faculty member in the Dietitian Nutritionist Program at the University of Pittsburgh.

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