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Natural Ways To Avoid Seasonal Illnesses

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Flickr Photo/Ivan Chang
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Oranges and other foods with beta carotene are converted to vitamin A in the body and are recommended by nutritionist Mary Purdy to ward off illness.

There is no denying it, autumn has arrived with a bang: the rain, the low temperatures, shorter days and everyone huddled inside together creates the perfect germ-spreading storm. While many people are going out to get their flu shots, there are also a variety of natural ways to ward off illness.

We decided to ask an expert, registered dietitian Mary Purdy. Purdy is the host of the podcast Nutrition Nuggets and she joins us to explain how we can keep a healthy immune system.