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, ...

Most people think of weight loss as a math problem: calories in versus calories out. In reality, your body sees it as a survival threat. When calorie intake falls or body fat decreases, biological ...

Understanding how your body works can be the key to reducing stress. For example, you’re probably aware of your fight-or-flight response—the body’s way of preparing itself when it believes it’s being ...