Interoception is how your brain senses and responds to what’s going on inside your body. “It’s how we know when we’re hungry, thirsty, anxious, or even need to take a deep breath,” says Wen G. Chen, ...

There is a quiet language spoken inside us, a private vocabulary of heartbeats, breath, butterflies in the stomach, and the warmth of joy. Most people know this language instinctively. But for many ...