ScienceInsights

Varenicline and Chantix are the same medication. Learn how this quit-smoking drug works, what to expect, and whether the generic differs from the brand.

Simple, practical ways to relieve trapped gas at home, from body positions and massage to heat and herbal teas.

BV happens when vaginal bacteria fall out of balance—here's why that shift occurs, what brings it back, and what actually helps.

Zoloft and sertraline are the same medication, just with different names and prices. Here's what actually differs between the brand and generic versions.

Walking an hour a day can improve heart health, blood sugar, mood, and longevity. Here's what the research actually shows.

From nasal sprays to saline rinses, here's what actually helps relieve head congestion and pressure—and when to see a doctor.

Zyrtec-D is available without a prescription, but you'll need to ask the pharmacist for it. Here's why, and what to know before you buy.

Lactaid milk lasts longer mainly because it's ultra-pasteurized, not because it's lactose-free. Here's what that means for nutrition and storage.

From bathroom scales to DEXA scans, explore the most common ways to measure body fat and learn what your results actually mean for your health.

Learn how doctors diagnose herniated discs, from physical tests to imaging, and which symptoms need urgent medical attention.