Why Do We Get Fevers, and When to Worry?
A fever feels like your body turning against you, but it is usually your body fighting for you. Here is why you run a temperature, and the signs that mean it is time to call a doctor.
What Is Metabolism, and Can You Speed It Up?
Blaming a slow metabolism for weight gain is one of the most common health beliefs, and one of the most misunderstood. Here is what metabolism actually is and what really moves it.
What Is the Placebo Effect, and Is It Real?
A sugar pill with nothing in it can genuinely ease your pain. That is not a trick or wishful thinking. Here is what the placebo effect really is, and where its power stops.
What Is the Gut Microbiome, and Why Does It Matter?
You are carrying trillions of microbes in your gut, and they help run your digestion, your immune system, even your mood. Here is what the gut microbiome is and how to keep it happy.
Does Closing the Toilet Lid Actually Matter?
Every flush launches an invisible cloud of droplets into the air. Scientists filmed it with lasers. Here is what that means, and whether the lid really helps.
Do You Really Need 10,000 Steps a Day?
Your watch nags you toward 10,000 steps like it’s a medical rule. It started as a 1960s marketing slogan. Here is what the research says you actually need.
Can Arthritis Drugs Regrow Hair in Alopecia?
Headlines say an arthritis drug can regrow lost hair. It’s true for one kind of hair loss, with real limits and real risks. Here is the honest version.
Can a Rocking Bed Really Help You Sleep?
We rock babies to sleep without thinking. Two lab studies put adults on gently rocking beds, and the results were hard to ignore. Here is what they found.
Does Cracking Your Knuckles Cause Arthritis? What the Research Actually Shows
The warning that knuckle cracking causes arthritis has been repeated for generations. Here is what the studies, including a 50-year self-experiment, actually found.