This year, new innovations, products, and scientific—or, in some cases, unscientific—developments will change the way people eat and behave, for better or worse. Of course, that’s nothing new. Long before the days of snake oil peddling, we humans have fallen for, and occasionally benefited from, dubious health products and claims.

The pandemic has made us think twice about how we protect our health and wellness, spurring many people to make lifestyle changes in response.

As a physician, keeping ahead of health and wellness trends means staying informed so you can understand what’s at stake and where the claims—which often go unchecked in the media—are supported by evidence.

Here are four health and wellness trends coming down the pike in 2021.