Eating a colorful variety of flavonoid-rich foods like tea, berries, dark chocolate, and apples may significantly lower your risk of chronic diseases and even help you live longer. A major study tracking over 120,000 people for more than a decade found that it's not just the quantity but the diversity of flavonoids that offers the biggest health benefits.

Tea, berries, dark chocolate and apples could lead to a longer life span, study shows