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 ...

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, ...

We've all been there – crying our eyes out during a sad movie or after a tough day, wondering if all those tears are at least burning a few calories. Well, it turns out they actually do! I've ...

I used to come home from spin class completely drenched, feeling like I'd torched a thousand calories just from all that sweat dripping everywhere. Turns out I had it completely backwards about how ...

Your nervous system is like a highway. When the roads are clear and well-maintained, traffic flows smoothly. Messages travel from your brain to every cell in your body without obstruction. We obsess ...

Your body is constantly performing a delicate balancing act that most of us never think about. While we’re busy worrying about calories and carbs, a microscopic chemistry experiment determines how ...