ScienceInsights

Leflunomide can take several weeks or months to show results. Here's why it works slowly and what affects how quickly you might notice a difference.

Sex can trigger a yeast infection within a few days. Learn why it happens, how to tell it apart from other infections, and how to reduce your risk.

Lupus doesn't show up in a single test. Learn which blood markers doctors look for and how they piece together a diagnosis.

Daily sex is more common than you might think. Learn what research says about frequency, physical effects, and how to navigate mismatched desire with a partner.

Lip bumps are usually harmless, but knowing whether yours is a cold sore, mucocele, or something else can help you decide when to see a doctor.

Each lone star tick disease requires a different test, and timing can affect accuracy. Here's what to expect for each condition.

High blood pressure rarely causes symptoms, so knowing how to check it accurately—and what the numbers actually mean—is the only reliable way to stay informed.

Some herbal teas can ease heartburn, while others make it worse. Learn which ones actually help and how to use them effectively.

White vaginal discharge is usually normal, but texture and smell can signal a yeast infection or bacterial vaginosis. Here's how to tell the difference.

You rarely need both, but if switching from Pepto-Bismol to Imodium, timing matters. Here's what to know about waiting periods and safer choices.