You’ve seen it hundreds of times. A headline promising a miracle supplement, a viral social media post about a new superfood, or a wellness influencer citing “a peer-reviewed study” as though those three words settle the matter permanently.

Walk through any health food store, scroll through any wellness brand’s website, or glance at the back of a juice bottle, and you will see the word “antioxidant” everywhere. It is one of the most overused terms in modern nutrition, stamped on everything from açaí packets to face creams to $80 capsule blends.

Your gut is often called the “second brain.” It’s a catchy label, and it’s not entirely wrong. But like most popular-science shorthand, it compresses a genuinely fascinating biological relationship into a headline, losing much of the nuance along the way.

You’ve heard it a thousand times. From your doctor, your fitness app, your well-meaning coworker who just got back from a yoga retreat: reduce your stress.

Open any health publication, scan a supplement label, or scroll through a wellness influencer’s feed, and you will see one word repeated like a drumbeat: inflammation. It causes aging, cancer, depression, heart disease, and apparently everything in between.

The headline reads: “Eating chocolate linked to 40% lower risk of heart disease.” Your instinct is to forward it to your group chat, maybe eat a second truffle. But before you do, let’s talk about what the study probably actually says, and why the headline almost certainly does not reflect it.

Every few months, a new influencer discovers the importance of metabolism. They film themselves eating ice before bed, shivering in cold showers, or downing a cayenne-lemon concoction first thing in the morning, all in the name of “boosting” it.

Open almost any wellness app, scroll through a few minutes of health content, and you will inevitably encounter a variation of the same message: your cortisol is out of control, and it is ruining your body.

You set an alarm, drink your coffee at the same time each morning, and feel a familiar afternoon slump right around 3 p.m. You may have chalked these rhythms up to habit, but the truth is far more profound: every cell in your body is running on a biological clock synchronized to a 24-hour cycle.