Microplastics and nanoplastics are now found everywhere on Earth, from ocean depths to agricultural soils and even inside the human body. Yet scientists still struggle to understand what these ...

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 ...

How many tiny pieces of plastic are currently inside your body? A series of headline-grabbing studies in the last few years have claimed to have found microplastics throughout human bodies—inside ...

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, ...

When you step outside on a winter morning or pop a mint into your mouth, a tiny molecular sensor in your body springs into ...

When people talk about “burning fat,” it sounds like something melts away inside your body and vanishes. What actually happens is stranger and more elegant: most of the fat you lose leaves your body ...

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 ...