Bananas don’t “ruin” smoothies, but they can blunt certain berry benefits. Here’s when to skip them and when they still shine ...

There's an avocado half you want to save to use later—but what can you do to prevent it from discoloring and turning slimy in ...

Bananas drastically reduce flavanol absorption in smoothies — by about 84% — due to their high levels of the enzyme polyphenol oxidase (PPO). Flavanols are important for healthy aging and mental ...

The paradigm in nutritional science is shifting from studying isolated nutrients to understanding the complex food matrix.

A boardwalk traversing Stordalen Mire in northern Sweden. Polyphenols are a diverse group of organic compounds produced by plants. These compounds are often toxic to microorganisms. In peatlands, ...

If you do choose to skip the banana, McAllister recommends swapping in lower-PPO picks like pineapple, mango, or oranges, or ...