It's a familiar feeling: Before a test, a first date, or a public speaking engagement, your stomach starts to "flutter" as if butterflies were flying around inside your gut. Stomach sensations are a ...

We’ve all felt it - that fluttery, almost nervous sensation in the pit of the stomach before a big date, an important presentation, or even a thrilling adventure. We call it “butterflies in the ...

These fluttering sensations are the brain’s reaction to certain emotions, which can be amplified or soothed by the gut’s own “bugs.” Wei-Li Wu, a neurobiologist at National Cheng Kung University, ...