ScienceInsights

Mamajuana is a Dominican herbal drink with a long history of folk uses. Here's what's actually in it and what the science says.

Spotting can range from pink to brown and vary in amount. Learn what's typical across your cycle and when it's worth checking in with a doctor.

Electrolytes do more than hydrate—they help your body absorb water, support nerve function, and prevent imbalances. Here's when they actually make a difference.

A swollen eyelid is usually a stye or allergic reaction, but it can sometimes signal something more serious. Here's how to tell the difference and what to do.

Coeliac disease stems from a mix of genetics, gluten, gut bacteria, and triggers like viral infections. Here's what science says causes it.

CBT-based techniques like sleep restriction and stimulus control can break chronic insomnia more effectively than medication, with lasting results.

Eggs are one of the most complete protein sources available. Learn how cooking affects absorption, whether whole eggs beat whites for muscle, and more.

Concussion testing combines baseline data, sideline checks, and cognitive tools to guide safe recovery decisions after a head injury.

Dandruff comes down to scalp oil, a common fungus, and individual susceptibility. Here's how those factors combine to cause flaking.

Fiber, movement, meal timing, and stress all shape how well your gut works. Here's what the science says actually makes a difference.