ScienceInsights

Yellow-green snot is common during a cold and doesn't always mean infection. Learn what causes the color and when to see a doctor.

From phenazopyridine to heating pads, here's what actually helps ease UTI discomfort while you wait for antibiotics to work.

Food insecurity stems from more than just low income. Learn how housing costs, geography, health, and systemic inequities all play a role.

From colds to stomach bugs, here's how long common baby illnesses typically last and when to expect your little one to start feeling better.

Biotin supplements are popular for hair and nails, but the science is mixed—and high doses can interfere with important blood tests.

Most babies get their first tooth between 4 and 7 months, but timing varies. Learn what teething really looks like and how to care for early teeth.

Learn which foods provide steady, lasting energy and why — from complex carbs and protein to hydration and healthy fats.

Find out how many steps it takes to burn 3,500 calories, plus how weight, speed, and incline affect the real numbers.

From NSAIDs to biologics, the best medicine for inflammation depends on the cause. Here's how to match the right treatment to your situation.

Spring allergies are getting worse, but the right mix of medications, home habits, and pollen awareness can bring real relief.