Recently, scientists at Stanford University began to wonder why identical lab mice, bred with the same DNA and brought up in identical conditions, wound up so different in their old age. Some mice ...

That pimple on your chin isn't random. The dry patches on your cheeks aren't just weather. Your skin is screaming about problems happening deep inside your body. Your skin always tells stories your ...

Inside your body, an intricate communication network constantly monitors breathing, heart rate, digestion, and immune function — a hidden “sixth sense” called interoception. Now, Nobel laureate Ardem ...

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, ...

Water keeps your body functioning, but electrolytes control how that hydration actually works inside you. Understanding when you need just water and when you need both can help prevent fatigue, cramps ...

T he severe swelling of hereditary angioedema (HAE) can be uncomfortable and inconvenient at best, life-threatening at worst. What’s more, symptoms are unpredictable, vary in severity, and crop up out ...

If you notice light spotting in early pregnancy, it’s natural to wonder if it’s implantation bleeding or something else.

When it comes to health and fitness, it's easy to get caught up in numbers, but physical well-being isn't always reflected in the outward metrics of scales. Your body may be performing at a much ...