Acai berries: Superfood or hype?
The acai (ah-sigh-EE) berry is a grapelike fruit harvested from acai palm trees, which are native to the rainforests of South America. Like other berries, acai berries contain antioxidants and fiber. Some proponents call them a superfood, claiming they help various health concerns, including arthritis, weight loss, high cholesterol and erectile dysfunction. Does research support these health claims? Learn more from Katherine Zeratsky, a Mayo Clinic registered dietitian nutritionist.

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