ScienceInsights

The 8 glasses a day rule is outdated. Here's what science actually says about how much water you need and how to tell if you're getting enough.

Simple lifestyle changes like short walks, better sleep, and more fiber can help keep your blood sugar in a healthy range without medication.

Simple ways to ease gas pain fast, plus what foods and habits make it worse and when discomfort might need a doctor's attention.

Gout flares typically peak within 24 hours and resolve in days to weeks. Learn what affects how long an attack lasts and how treatment can help.

This season's flu symptoms, how long you're contagious, and when to seek care or start antivirals.

Your appendix sits in the lower right abdomen, but pain location can vary. Learn what appendicitis feels like and when to seek medical attention.

Increased hunger is often linked to sleep, stress, hydration, or hormones. Here's how to figure out what's driving your appetite.

A period that's 2 days late is usually nothing serious. Learn what commonly delays your cycle and when it's worth talking to a doctor.

Greek yogurt can support weight loss, but protein content, added sugars, and fat level all affect how useful it actually is.

Your gallbladder stores and concentrates bile to help digest fats and absorb vitamins — and most people do just fine without it.