ScienceInsights

Swollen eyelids can stem from styes, allergies, blepharitis, and more. Learn what's causing yours and when to treat it at home versus see a doctor.

Learn which oils to avoid, what to cook with instead, and how to spot seed oils on labels and restaurant menus.

High testosterone affects men and women differently. Learn what elevated levels mean for your health and how they're diagnosed and managed.

Gum disease treatment depends on how far it's progressed. Learn what works at each stage, from home care to deep cleaning and surgery.

Sleeping pills work in several different ways, from calming brain activity to blocking wake signals. Here's what each type does and when to use them.

Swerve sweetener is made from erythritol, oligosaccharides, and natural flavors. Learn how these ingredients work together and what to expect when cooking with it.

Learn which symptoms may point to anemia and which blood tests doctors use to confirm a diagnosis and find the underlying cause.

Milk hydrates better than water, coffee won't dry you out, and sports drinks aren't special. Here's what science says about staying hydrated.

Eating 30 plants a week, choosing fermented foods, and managing stress can meaningfully improve your gut health faster than you might expect.

Stress can trigger real skin rashes. Learn what they look like, how long they last, and how to find relief at home.