A mitochondrial peptide that mimics exercise? The data are surprising. I went down the rabbit hole—and now I’m testing it myself. Here’s what the science says, and what I’m about to try.

If you’re eating a balanced meal with enough calories, it should keep you full for about three hours, Jones said. But if it ...

Every time you brace your abs to lift a bag of groceries or hold a plank, your abdominal muscles do more than stabilize your ...

From sham surgeries to sugar pills, the placebo effect can work as well as real medicine, but the body relies on input from ...