India, July 23 -- 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 stomach", don't we? But is it just a poetic phrase or is there actual science behind it? According to a gastroenterologist, this feeling isn't just in your head. It's your body's fight-or-flight response at work, triggered by adrenaline and your gut-brain connection.

The phrase "butterflies in your stomach" refers to the actual, scientific interaction between your nerve system, intestines, and brain, Dr K.S. Somasekhar Rao, Senior Consultant Gastroenterologist, Yashoda Hospitals, Hyderabad, tells Health Shots.

"Your body's stres...