A flower on a pond covered with duckweed.
People who consume vegetarian or vegan diets and people who avoid certain foods that trigger allergic reactions comprise expanding segments of the American population: About 5% of Americans identify as vegetarian, another 2% identify as vegan, and approximately 15 million Americans have food allergies. According to the Centers for Disease Control and Prevention, the incidence of food allergies is increasing and will continue to escalate. Moreover, because of consumers’ increased awareness…

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